问答题How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?
题目
问答题
How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?
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第1题：
According to SOLAS the breathing air apparatus that must be onboard shall have sufficient capacity for how many minutes of operation?____.
A.20
B.30
C.45
D.60
正确答案：B
根据SOLAS公约，船上必须配备的呼吸器装置应该有足够的能力支持多少分钟？ -
第2题：
No rush, sir, the plane will take off in 15 minutes, there`s still () left
A.enough time
B.much time
C.many time
D.a few time
正确答案：AB
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第3题：
单选题A 10-gallon bucket loses 2 gallons of water every 10 minutes. How many minutes will it take a fu U bucket to empty completely?A20
B22
C40
D50
E100
正确答案： C解析：
根据题干，假设x分钟后，桶会变空。所以可得出2÷10=10÷x，x＝50。 -
第4题：
单选题An international flight passenger should check in at least _____.A20 minutes before departure
B30 minutes before departure
C45 minutes before departure
D60 minutes before departure
正确答案： A解析：
细节题。根据题干要求可以定位至文章首句。乘坐国内航班的旅客在飞机起飞前45分钟登机，乘坐国际航班的旅客在飞机起飞前60分钟登机。本题考查的是国际航班的旅客，由此可知答案是D。其他选项在文中没有提及。 -
第5题：
单选题To make sure of getting the full advantage of a favorable current，you should reach an entrance or strait at what time in relation to the predicted time of the favorable current?（）AOne hour after the predicted time
BAt the predicted time
C30 minutes before flood，one hour after an ebb
D30 minutes before the predicted time
正确答案： C解析： 暂无解析 -
第6题：
问答题How many minutes before midnight is it if one hour ago it was five times as many minutes past 9 pm？正确答案： 20 minutes解析：
晚9点与午夜12点之间相差3小时，3小时减去1小时为2小时，把2小时平分为6份，可得20分钟。 -
第7题：
问答题A call to Rosie’s Psychic Hotline costs $5.99 for the first 2 minutes and $1.99 for each additional minute. Stuart called the hotline for x minutes, where x is an integer. How many minutes long was the call? (1) The total charge for the call was $11.96. (2) The charge for the last 3 minutes of the call was $0.01 less than half the total cost of the call.正确答案： D解析：
分别根据两个条件计算，都可以计算出通话的时长，故本题选D项。 -
第8题：
问答题If 5 frogs catch 5 flies in 5 minutes, how many frogs are required to catch 50 flies in 50 minutes?正确答案： 5解析：
五只青蛙在五分钟内可捉到五只苍蝇，也就是说一只青蛙五分钟可以捉到一只苍蝇。因此，一只青蛙50分钟内可以捉10只苍蝇，要在50分钟内捉到50只苍蝇需要5只青蛙。 -
第9题：
问答题If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?正确答案： 6解析：
One typist types one page in two minutes. -
第10题：
单选题Solve the problem and indicate the best of the answer choices given. A certain standardized test taken by business school applicants demands that the test takers answer 37 quantitative questions within 75 minutes. Which of the following is closest to the average amount of time the test takers can spend on each question?A1 minute, 58 seconds
B2 minutes, 2 seconds
C2 minutes, 5 seconds
D2 minutes, 12 seconds
E121.6 minutes
正确答案： A解析：
由题目可知，考生需要在75分钟做完37道题，故通过计算可知平均121.6秒钟完成一道题，故B项正确。 -
第11题：
问答题You are trying to fill a bath with both taps on, but have accidentally left out the plug. Normally the hot water tap takes 8 minutes to fill the bath and the cold water tap takes 10 minutes. However, the water empties out through the plug hole in 5 minutes. How long will it take for the bath to fill?正确答案： 40 minutes.解析：
设浴缸容量为x，n为三管一起开的充满水的时间，热水充满浴缸要8分钟，所以每分钟充满x/8，同理冷水每分钟充满x/10，而放水管每分钟放水x/5，故可列方程(x/8+x/10－x/5)×n=x，解得n=40，即需40分钟。 -
第12题：
单选题How long does it take the spacecraft to go round the Earth?AForty minutes.
BFifty minutes.
CNinety minutes.
DTwenty-four hours.
正确答案： B解析：
细节辨认题。定位到短文的第三段第二句“During each ninety-minute orbit the sun”，在这90分钟行程的运行轨道上，可以推断出宇宙飞船绕地球一周的时间是90分钟。 -
第13题：
How can you convince him_____ the death of his wife, since he was with her a few minutes ago?
Aof
Bon
Cin
Dfrom
正确答案：A
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第14题：
单选题A local newspaper company prints 520 pages of the newspaper every 30 minutes. How many pages will it print in 5 hours?A2,600 pages
B86.7 pages
C5,200 pages
D10,400 pages
E1,300 pages
正确答案： D解析：
Let p = the number of pages printed in 5 hours. Set up a proportion to solve for p, remembering to use consistent units for time (either minutes or hours). Let’s change 30 minutes to 0.5 hours. 520/0.5=p/5, p=5.200pages. -
第15题：
问答题Femi, martin and James catch trains to go to the same destination. Femi catches the 8:15 a.m. train. Martin’s train journey takes twice as long as James’. Martin leaves 15 minutes before Femi and arrives at noon. James catches the 11:30 am trains. What time does James arrive at the destination?正确答案： 1:30 pm解析：
Femi上午8:15上火车，Martin比Femi早上车15分钟并且在正中午到达，即Martin在上午8:00上车12:00下车，行程4小时。Martin的行车时间是James的两倍，即James的行程为2小时。James上午11:30上火车，两小时后下车，所以下车时间为下午1:30。 -
第16题：
单选题_____AAbout every four minutes.
BAbout every five minutes.
CAbout every six minutes.
DAbout every seven minutes.
正确答案： C解析：
该题是数字题，提问频率。由“every 6 minutes”可知，火车每六分钟一趟。
【录音原文】
M: Excuse me, I’d like to go to the science museum, but I don’t know how to use this ticket machine.
W: Well, just press this button. It’s two dollars.
M: Thanks.
W: The train is coming soon. Please wait a moment.
M: All right. How often do the trains come at this time of the day?
W: Usually they come about every 6 minutes.
M: Ok. And where should I get off?
W: Just get off at the science museum station. That’s five stops from here.
M: I’ve got it! Thanks for your help.
W: You’re welcome!
Q6: Where does the man want to go?
Q7: How often do the trains come at this time of the day? -
第17题：
单选题How long does the TV play Sisters last?A30 minutes.
B55 minutes.
C90 minutes.
正确答案： B解析：
由节目单可以看出1频道从20：05至21：00播出电视剧：姐妹。 -
第18题：
单选题A sidereal day is approximately how much shorter than a solar day?（）A4 minutes
B8 minutes
C12 minutes
D16 minutes
正确答案： B解析： 暂无解析 -
第19题：
问答题How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?正确答案： 72解析：
设是中午12点以前x分钟。根据题意可得此方程式：
x=4[12×60－(90+x)－9×60]
解得x=72 -
第20题：
单选题A lookout can leave his station（）.Aat the end of the watch
Bat any time
CONLY when properly relieved
D15 minutes before the end of the watch
正确答案： A解析： 暂无解析 -
第21题：
单选题How long should the woman wait?AFor about 30 minutes.
BFor about an hour.
CUntil lunch time.
正确答案： A解析： 男士说管账户的人去吃午饭了，about half an hour后回来，可知女士要等大约半小时。
【录音原文】
W: Excuse me. I’d like to open a checking account.
M: I’m sorry, but the person who handles the new accounts has gone for lunch. I think he’ll be back in about half an hour. Can you wait, please?
W: No problem. -
第22题：
问答题Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B? (1) 5 minutes ago, cyclist A was 200 meters behind cyclist B. (2) Cyclist A is moving 25% faster than cyclist B.正确答案： A解析：
想要回答题目中的问题，我们需要知道A、B的速度差，故本题应选A项。 -
第23题：
问答题An employee at a company was given the task of making a large number of copies. He spent the first 45 minutes making copies at a constant rate on copier A, but copier A broke down before the task was completed. He then spent the next 30 minutes finishing the task on copier B, which also produced copies at a constant rate. How many total minutes would the task hare taken had copier A not broken down? (1) Copier A produced twice as many copies in its first 5 minutes of operation as copier B produced in its first 15 minutes. (2) Copier B produces 10 copies per minute.正确答案： A解析：
通过计算可知，条件1可以确定完成工作的时间，条件2不能确定，故本题应选A项。 -
第24题：
单选题It can be inferred from the passage that before 1910 the normal running time of a film was _____.A15 minutes or less
Bbetween 15 and 30 minutes
C1 hour or more
Dbetween 45 minutes and 1 hour
正确答案： A解析：
根据文章第三段第四句可知，1910年以前，传统的影片时长为“one reel”，又根据下文“the unprecedented length of four reels, or one hour’s running time”，可以推断出，一盘长的影片时长大约是15分钟，因此A项符合题意。