单选题The sentence “visions of squat poplars and earless corn stalks are dancing in their heads” (Lines 2-3, Para.1) probably means ______.A squat poplars and earless corn stalks are too difficult to realize.B squat poplars and earless corn stalks are all il

题目
单选题
The sentence “visions of squat poplars and earless corn stalks are dancing in their heads” (Lines 2-3, Para.1) probably means ______.
A

squat poplars and earless corn stalks are too difficult to realize.

B

squat poplars and earless corn stalks are all illusions to the Plant Breeders.

C

the Plant Breeders are thinking of the realization of squat poplars and earless corn stalks.

D

the Plant Breeders are helpless with the squat poplars and earless corn stalks.


相似考题

2.EAll too often , a choice that seems sustainable(可持续的)turns out on closer examination to be problematic. Probably the best example is the rush to produce ethanol(乙醇)for fuel from corn . Corn is a renewable resource —you can harvest it and grow more, almost limitlessly . So replacing gas with corn ethanol seems like a great idea .One might get a bit more energy out of the ethanol than that used to make it, which could still make ethanol more sustainable than gas generally, but that’s not the end of the problem. Using corn to make ethanol means less corn is left to feed animals and people, which drives up the cost of food. That result leads to turning the fallow land — including, in some cases, rain forest in places such as Brazil — into farmland, which in turn gives off lots of carbon dioxide(CO2)into the air. Finally, over many years, the energy benefit from burning ethanol would make up for the forest loss. But by then, climate change would have progressed so far that it might not help.You cannot really declare any practice “sustainable” until you have done a complete lift-cycle analysis of its environmental(环境的)costs. Even then, technology and public policy keep developing, and that development can lead to unforeseen and undesired results. The admirable goal of living sustainable requires plenty of thought on an ongoing basis.57. What might directly cause the loss of the forest according to the text?A. The growing demand for energy to make ethanol.B. The increasing carbon dioxide in the air.C. The greater need for farmland.D. The big change in weather.

更多“单选题The sentence “visions of squat poplars and earless corn stalks are dancing in their heads” (Lines 2-3, Para.1) probably means ______.A squat poplars and earless corn stalks are too difficult to realize.B squat poplars and earless corn stalks are all il”相关问题
  • 第1题:

    网址为http://www.wanfangdata.corn:an的是( )。


    正确答案:B

  • 第2题:

    E—mai1地址:PPP@yah00.Corn.Cn中,( )表示用户名。

    A.yah00.Corn.Cn

    B.PPP

    C.Com

    D.Cn


    正确答案:B

  • 第3题:

    When hugging a bank in a narrow channel,you should take precautions against ______.

    A.Bank suction,squat and the effects of vessels passing close aboard

    B.Clogged sea chests,plugged sea strainers and overheated machinery

    C.Striking underwater obstructions close to the bank

    D.All of the above


    正确答案:D

  • 第4题:

    ______ native to North America, corn has now spread all over the world.

    A.In spite of
    B.That it is
    C.It was
    D.Although

    答案:D
    解析:
    本题考查状语从句

    D选项,句意:玉米虽原产于北美洲,但现在已遍及全世界。although是连词,后接从句,在本句中接的是一个省略主语的从句。

    A,选项,in spite of 是复合介词,后接名词,故排除。

    B,选项,与题意不符,故排除。

    C,选项,与题意不符,故排除。

    故正确答案为D选项。

  • 第5题:

    A lot of corn is grown in this area the soil seems to ______ it very well.

    A.adopt
    B.meet
    C.need
    D.suit

    答案:D
    解析:
    选项A意为“采纳”;选项B意为“遇到”;选项C意为“需要”;选项D意为“适宜,适合”。根据题干,题目意为“在这个地区生长了很多玉米,土壤似乎非常适宜。”因此,选项D符合题意。
      

  • 第6题:

    玉米(corn)


    正确答案: 亦称玉蜀黍、大蜀黍、棒子、包谷、包米和珍珠米。禾本科草本植物栽培玉米的果实。根据种皮颜色分为:黄玉米、白玉米、混合玉米3类。按玉米的粒形可将玉米分为马齿型、硬粒型、中间型、硬偏马型和马偏硬型5种类型。生长适应性强、耐旱、种植范围很广,种植面积及产量仅次于小麦居第二位。我国的玉米种植分布很广,北起黑龙江北部的黑河,南至海南岛均有种植,在粮食总产量中所占的比例仅次于稻谷和小麦居第三位。按容重划分为3个等级。主要质量指标(GB1353—1999),容重:一等≥710g/L、二等≥685g~/L、三等≥660g,/L;其余项目3个等级皆相同,杂质≤1.0%、水分≤14.0%、不完善粒≤5.0%。子粒主要供食用和饲用。工业上用作制酒精、乙醛、醋酸等的原料。

  • 第7题:

    糯玉米(waxy corn)


    正确答案: 亦称蜡质玉米。富有黏性的玉米,玉米的一个亚种。据曾孟潜(1987)论证,1760年前,我国已有种植。果穗较小,子粒坚硬平滑无光泽。胚乳不透明,有黏性,全为支链淀粉。水溶性蛋白和盐溶性蛋白的含量较高,醇溶蛋白含量较低,赖氨酸含量一般比普通玉米高30%~60%,食用品质、营养价值俱佳。除蒸煮鲜食外,还可制作饮料。

  • 第8题:

    当两个主起落架的下蹲电门位置不一致时,有何提示或警告?

    • A、ANTISKID FAIL灯亮
    • B、SQUAT灯亮
    • C、MFD上游SQUAT信息
    • D、有音响警告

    正确答案:A

  • 第9题:

    单选题
    May I have two()instead of beans, please
    A

    corn's ear

    B

    corn ears

    C

    ear of corns

    D

    ears of corn


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Most very large ocean going vessels,such as bulk carriers and large tankers,tend to squat().
    A

    by the bow

    B

    by the stern

    C

    at the end nearest the bottom

    D

    evenly fore and aft


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    My I have two()instead of beans, please?
    A

    corn’s ear

    B

    corn ears

    C

    ear of corns

    D

    ears of corn


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    In most cases,when a large merchant vessel enters shallow water at high speed the().
    A

    maneuverability will increase

    B

    speed will increase

    C

    bow will squat farther than the stern

    D

    vessel will rise slightly,on a level plane


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Proper lifting technique for heavy items is:()

    A. to use gloves to pick up the item.

    B. to squat and lift from the legs.

    C. to have two people bend down and pick the item up.

    D. to bend down and lift the item up.


    参考答案:B

  • 第14题:

    合法的电子邮件地址是( )

    A.Wang.em.hxing.com.cn

    B.em.hxing.corn.cn.wang

    C.em.hxing.corn.on@wang

    D.wang@em.hxig.com.cn


    正确答案:D

  • 第15题:

    The high prices for corn--while driving hunger in Africa--have encouraged other farmers to__________land from wheat, soybeans, or even pasture to corn production.

    A.turn over
    B.turn on
    C.turn up
    D.turn around

    答案:A
    解析:
    考查动词短语辨析。turn around表示“回转,转向,转身,扭转”,turn over表示“(底朝上的)翻转,旋转,思考,移交等”,此处指“翻地”,turn on表示“开启,变得兴奋,突然装出,开始”。turn up表示“找到,出现.突然发生”。句意为“高涨的玉米价格在催生非洲的饥荒的同时,促使更多农场主在自己原本种植小麦、大豆甚至牧草的土地上种玉米”.故选A.

  • 第16题:

    下面哪个电子邮件可能是小明同学在新浪网的正确地址?(  )

    A.xiaoming@sina.COrn.en
    B.sina.COrn.Ca@xiaoming
    C.sina.Com.Cnb-xiaoming
    D.xiaoming b-sina.Corn.an

    答案:A
    解析:

  • 第17题:

    当两个主起落架的下蹲电门位置不一致时,有何提示或警告?

    • A、ANTISKID FAIL灯亮
    • B、SQUAT灯亮
    • C、MFD上游SQUAT信息

    正确答案:A

  • 第18题:

    “sweet corn fritter”是炸甜玉米片的意思。


    正确答案:错误

  • 第19题:

    Proper lifting technique for heavy items is:()

    • A、to use gloves to pick up the item.
    • B、to squat and lift from the legs.
    • C、to have two people bend down and pick the item up.
    • D、to bend down and lift the item up.

    正确答案:B

  • 第20题:

    单选题
    Proper lifting technique for heavy items is:()
    A

    to use gloves to pick up the item.

    B

    to squat and lift from the legs.

    C

    to have two people bend down and pick the item up.

    D

    to bend down and lift the item up.


    正确答案: D
    解析: 暂无解析

  • 第21题:

    名词解释题
    玉米(corn)

    正确答案: 亦称玉蜀黍、大蜀黍、棒子、包谷、包米和珍珠米。禾本科草本植物栽培玉米的果实。根据种皮颜色分为:黄玉米、白玉米、混合玉米3类。按玉米的粒形可将玉米分为马齿型、硬粒型、中间型、硬偏马型和马偏硬型5种类型。生长适应性强、耐旱、种植范围很广,种植面积及产量仅次于小麦居第二位。我国的玉米种植分布很广,北起黑龙江北部的黑河,南至海南岛均有种植,在粮食总产量中所占的比例仅次于稻谷和小麦居第三位。按容重划分为3个等级。主要质量指标(GB1353—1999),容重:一等≥710g/L、二等≥685g~/L、三等≥660g,/L;其余项目3个等级皆相同,杂质≤1.0%、水分≤14.0%、不完善粒≤5.0%。子粒主要供食用和饲用。工业上用作制酒精、乙醛、醋酸等的原料。
    解析: 暂无解析

  • 第22题:

    单选题
    中华人民共和国中央人民政府门户网站的网址是(  )。
    A

    http://www.chinadaily.corn.cn

    B

    http://www.gov.cn

    C

    http://cpc.people.corn.cn

    D

    http://www.people.corn.cn


    正确答案: C
    解析:
    中华人民共和国中央人民政府门户网站(简称“中国政府网”)于2006年1月1日正式开通。中国政府网的网址是www.gov.cn,现开通中文简体版、中文繁体版和英文版。

  • 第23题:

    名词解释题
    糯玉米(waxy corn)

    正确答案: 亦称蜡质玉米。富有黏性的玉米,玉米的一个亚种。据曾孟潜(1987)论证,1760年前,我国已有种植。果穗较小,子粒坚硬平滑无光泽。胚乳不透明,有黏性,全为支链淀粉。水溶性蛋白和盐溶性蛋白的含量较高,醇溶蛋白含量较低,赖氨酸含量一般比普通玉米高30%~60%,食用品质、营养价值俱佳。除蒸煮鲜食外,还可制作饮料。
    解析: 暂无解析