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【单选题】
农业转基因生物按照其对人类、动植物、微生物和生态环境的危险程度，分为（）等级。A.
I级
B.
I级、II级
C.
I级、II级、III级
D.
I级、II级、III级、IV级
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举一反三
【简答题】凯瑟琳夫人是达西的 。
【单选题】Teachers should ___them to continue studying when some students want to give it up.
A.
encourage
B.
keep
C.
prevent
D.
make
【单选题】患者开胸手术后行胸腔闭式引流已48小时。引流瓶长玻璃管内的水柱波动消失,嘱患者咳嗽时水柱有波动出现,提示
A.
肺膨胀良好
B.
胸腔引流管堵塞
C.
患侧肺不张
D.
呼吸道不通畅
E.
并发支气管胸膜瘘
【单选题】What should students do when they write their first draft?
A.
Focus on the development of ideas and the organization of those ideas
B.
Focus on the development of perfect grammar
C.
Focus on punctuation
D.
Focus on the spelling
【单选题】What should the students do when the teacher is talking
A.
[A] They should discuss the lesson with their classmates.
B.
B. They should stand up.
C.
C. They should sit quietly and listen.
【单选题】When students reveal alternative conceptions, teachers should:
A.
tell the students the correct answer.
B.
evaluate their ideas.
C.
continue on with the lesson plan.
D.
teach using direct instruction.
【简答题】凯瑟琳夫人认为与 才是与达西天造地设的一对。
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