单选题Researchers think that it is ______.A safe to eat fresh fishB dangerous to get close to the algaeC safe to be near the algaeD dangerous to expose the algae

题目
单选题
Researchers think that it is ______.
A

safe to eat fresh fish

B

dangerous to get close to the algae

C

safe to be near the algae

D

dangerous to expose the algae

相似考题

1.Why did people think Haifa was a safe place ? ()A.It was a seaside city and a portB.Israeli Jews and Arabs lived in relative harmonyC.It is on the West Bank and near RamallahD.None of the above

2.–________________________________________.–Isn't it kind of dangerous? You could get attacked by a shark.A.I am thinking of taking up scuba diving.It is exciting.B.A lot more people get hurt walking down the street.C.A lot of people think rock climbing is exciting.

3.Self-contained breathing apparatus is used to ______.A.make underwater repairs to bargesB.determine if the air in a tank is safe for menC.enter areas that may contain dangerous fumes or lack oxygenD.resuscitate an unconscious person

4.Ventilation ().A、is a system for moving fresh airB、can cut indoor pollution to a safe levelC、can cause some diseasesD、is better done through air-conditioning

参考答案和解析
正确答案： A
解析：
细节题。第四段第二句提到“Researchers think…anyone with frequent exposure to the creature could be in peril”，可知研究人员认为频繁接触这种生物可能会很危险，其中frequent exposure to the creature与选项B中的get close to the algae表达意思相同。
更多“单选题Researchers think that it is ______.A safe to eat fresh fishB dangerous to get close to the algaeC safe to be near the algaeD dangerous to expose the algae”相关问题

  • 第1题：

    Where are（危险货）___carried on board?

    A.dangerous goods

    B.safe goods

    C.A or B

    D.A+B


    正确答案：A

  • 第2题：

    Based on the laser operation treatment of three patients。what can we infer from the passage?

    A．Laser light treatment is safe and effective．

    B．Laser light treatment is dangerous and ineffective

    C．Laser light treatment still requires much more studies．

    D．Government should encourage doctors to do research of laser light treatment on the human body．


    正确答案：D
    通读文章第一段，根据第二段后半部分，特别是最后两句，可知正确的推断应是D项。

  • 第3题：

    The safe operations of a liquified gas can be found in ________ ．

    A.International Maritime Dangerous Goods Carried by Sea

    B.International Code for the Construction and Equipment of Ships Carrying Gases in Bulk

    C.International Convention for the Safety of Life at Sea

    D.International Regulations for Preventing Collisions at Sea


    正确答案：B

  • 第4题：

    It is dangerous for vessels without the use of radar ______ the estuary．

    A.To get

    B.To approach

    C.To proceed

    D.To close


    正确答案：B

  • 第5题：

    It is dangerous for vessels without the use of radar______the estuary(河口)．

    A.to get

    B.to approach

    C.to proceed

    D.to close


    正确答案：B
    船舶不使用雷达，接近港湾式危险的。

  • 第6题：

    Where are（）(危险货)carried on board?

    • A、safe goods
    • B、general cargo
    • C、dangerous goods
    • D、bulk cargo

    正确答案:C

  • 第7题：

    记住，安全第一。（）

    • A、Remember: safety first.
    • B、Mind. Safe the first.
    • C、Think of it. Safety is one.
    • D、Think of it. Safety first.

    正确答案:A

  • 第8题：

    单选题
    Drinking salt water will（）.
    A

    be safe if mixed with fresh water

    B

    prevent seasickness

    C

    dehydrate you

    D

    protect against heat cramps


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Researchers think that it is ______.
    A

    safe to eat fresh fish

    B

    dangerous to get close to the algae

    C

    safe to be near the algae

    D

    dangerous to expose the algae


    正确答案： D
    解析：
    细节题。第四段第二句提到“Researchers think…anyone with frequent exposure to the creature could be in peril”，可知研究人员认为频繁接触这种生物可能会很危险，其中frequent exposure to the creature与选项B中的get close to the algae表达意思相同。

  • 第10题：

    单选题
    A continuous sounding of a fog-signal apparatus indicates（）.
    A

    the vessel is in distress

    B

    the vessel has completed loading dangerous cargo

    C

    it is safe to pass

    D

    the vessel is anchored


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    “In times of heavy weather, it is extremely dangerous if manning is very short” This sentence means （）.
    A

    In times of heavy weather, it is extremely dangerous if a seaman is not enough tall

    B

    In times of heavy weather, it is extremely dangerous if a crew is very short

    C

    In case of bad weather, it is particularly dangerous if there is a shortage in personnel

    D

    In case of bad weather, it is particularly dangerous if there are enough personnel


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    A self-contained breathing apparatus is used to（）.
    A

    make underwater repairs to barges

    B

    determine if the air in a tank is safe for men

    C

    enter areas that may contain dangerous fumes or lack oxygen

    D

    resuacitate an unconscious person


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Where are____(危险货)carried on board?

    A.safe goods

    B.general cargo

    C.dangerous goods

    D.bulk cargo


    正确答案：C

  • 第14题：

    A vessel proceeding along the course of a narrow channel shall keep as near to the outer limit of the channel which lies on her starboard side as it is safe and practicable．Which one of the followings does the statement express？

    A.A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable

    B.A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable

    C.A vessel shall avoid proceeding along the channel because it is not safe and practicable

    D.A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable


    正确答案：D

  • 第15题：

    Which statement concerning carbon dioxide is FALSE ________．

    A.It displaces the oxygen in the air

    B.It cannot be seen

    C.It cannot be smelled

    D.It is safe to use near personnel in a confined space


    正确答案：D

  • 第16题：

    In most cases involving spillage of dangerous goods，the most effective response will probably be to ______．

    A.attempt to repack dangerous goods

    B.close all hatches and doors

    C.open all hatches and doors

    D.wash the substance overboard or jettison it


    正确答案：D

  • 第17题：

    They don't feel safe .in our town at night because it__________ so dangerous. There'srobbery every week now.

    A.becoming
    B.became
    C.has become
    D.had become

    答案：C
    解析：
    强调对现在产生的作用和影响，应用现在完成时，故选c。

  • 第18题：

    Where are（危险货）（）carried on board?

    • A、dangerous goods
    • B、safe goods
    • C、A or B
    • D、A+B

    正确答案:A

  • 第19题：

    单选题
    A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.
    A

    A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable

    B

    A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable

    C

    A vessel shall avoid proceeding along the channel because it is not safe and practicable

    D

    A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Drinking salt water will （）
    A

    be safe if mixed with fresh water

    B

    prevent seasickness

    C

    promote urine excretion

    D

    protect against heat cramps


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    There are many things whose misuse is dangerous, but it is hard to think of anything that can be compared _____ tobacco products.
    A

    in

    B

    with

    C

    among

    D

    by


    正确答案： C
    解析：
    句意：很多东西的滥用都会很危险，但是很难想到一种东西可以与烟制品所造成的危害相提并论。be compared with与……比较，和……相比。

  • 第22题：

    单选题
    Which of the following is TRUE according to the passage? _____
    A

    About 200,000 people in the world have tried bungee jumping.

    B

    In order to keep one safe, a rope is tied to feet of the jumping.

    C

    Diving into the sea from the top of the cliffs is much more dangerous than bungee jumping.

    D

    Many people nowadays feel life dull because they haven’t tried bungee jumping.


    正确答案： A
    解析：
    从第二段第三句可推出，为了保证安全，人们的脚上捆着有弹性的绳子。

  • 第23题：

    单选题
    A tank has been sealed and unventilated for a long period of timeWhich of the following conditions does this indicate?（）
    A

    The tank is safe to enter

    B

    The tank is especially dangerous to enter

    C

    Carbon monoxide is present

    D

    Water vapor present when the tank was sealed has oxidized


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    It is dangerous for vessels without the operational radar（）the estuary.
    A

    to get

    B

    to approach

    C

    to proceed

    D

    to close


    正确答案： B
    解析： 暂无解析

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