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【简答题】
美国开发出大规模制氢新方法，被评为2004年世界十大科技进展之一，并在华盛顿建成全球第_座加氢站，代表汽车燃料技术重大转变汽油转向氢． （1）氢气属于______（选填“单质”“化合物”“混合物”）． （2）人们正在开发和利用的新能源，除了氢能源外，还有（一种）______． （3）用氢气代替汽油作燃料，有许多突出优点，其中之一是______．
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【单选题】我国谚语中的“螳螂捕蝉，黄雀在后”体现了食物链的原理。若鹰迁入了蝉、螳螂和黄雀所在的树林中，捕食黄雀并栖息于林中。下列叙述正确的是
A.
鹰的迁入增加了该树林中蝉及其天敌的数量
B.
该生态系统中细菌产生的能量可流向生产者
C.
鹰的迁入增加了该生态系统能量消耗的环节
D.
鹰的迁入改变了该生态系统能量流动的方向
【单选题】'When one of the doctors criticizes(批评) me, I get defensive. I feel like a child again, being scolded, and I want to explain that I'm not wrong.' says Viola, a nurse. This is a common reaction(反应) to ...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for what he did
D.
was sad and self-pitying
【单选题】我国谚语中的“螳螂捕蝉,黄雀在后”体现了食物链的原理。若鹰迁入了蝉、螳螂和黄雀所在的树林中,捕食黄雀并栖息于林中。下列叙述正确的是
A.
鹰的迁入增加了该树林中蝉及其天敌的数量
B.
该生态系统中细菌产生的能量可流向生产者
C.
鹰的迁入增加了该生态系统能量消耗的环节
D.
鹰的迁入增加了该生态系统能量流动的方向
【单选题】'When one of the doctors criticizes(批评) me, I get defensive. I feel like a child again, being scolded, and I want to explain that I' m not wrong. 'says Viola, a nurse. This s a common reaction(反应) to ...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for what he did
D.
was sad and self-pitying
【单选题】—I’m sorry, but I didn’t mean out your secret. —But you know, letting out one’s secret means one’s feelings.
A.
to let; to hurt
B.
letting; hurting
C.
to let; hurting
D.
letting; to hurt
【单选题】听力原文：M: Wow. I slept like a log. For one, I really feel rested and ready to go. W: Hold it a second. How about treating ourselves to breakfast in bed for a change. Q: What can we learn from this dialo...
A.
They had a sound sleep last night.
B.
They had a telephone call, but the line was engaged.
C.
They stayed in bed.
D.
After breakfast, she would go to see a doctor for treatment.
【简答题】What is NOT true of the effectiveness of 'sunscreen', according to the last paragraph?
【单选题】According to the fifth parag,aph，what is the suggested method to control underground fires?
A.
Using remote sensing technique．
B.
Controlling the release of carbon dioxide．
C.
Making the soil heat resistant．
D.
Cutting off the oxygen supply．
【单选题】'When one of the doctors criticizes me, I get defensive. I feel like a child again, being scolded, and I want to explain that I'm not wrong,' says Viola, a nurse. This is a common reaction to criticis...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for himself
D.
was sad but confident
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