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【单选题】
下列关于硼氢化合物的叙述中,正确的是
A.
乙硼烷还原性极强，但不易水解
B.
乙硼烷中的氢桥键为三中心二电子键
C.
乙硼烷中的 B 原子为 sp 2 杂化，分子中存在三中心四电子大键
D.
癸硼烷具有平面结构
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举一反三
【判断题】According to Porter, the policies of government and of business firms can enhance or detract from the four attributes that determine national competitive advantage.
A.
正确
B.
错误
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:I can’t talk to him if the football’s on. He just sits down and ______, and doesn’t listen to a word I say.
A.
tunes on
B.
zones out
C.
pays heed
D.
drawns
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【多选题】下列对少林内功的习练功用描述正确的有
A.
增强情绪调控力
B.
提高躯体稳定性
C.
调节内脏系统功
D.
增加上肢的力量
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:As he walked into the dark alley, he was completely ______ of the thief behind him.
A.
captivated
B.
engrossed
C.
unaware
D.
tempted
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:There’s nothing like a TV for entertaining children! Just switch it on and they’re ______ for hours!
A.
distraction
B.
disrupted
C.
zoning out
D.
engrossed
查看完整题目与答案
【单选题】Listen to the video clip again and choose the correct answer to each question. 3. Which of the following is NOT mentioned as a special requirement for packing?
A.
To wrap each piece individually.
B.
To pack 10 pieces together.
C.
To put a label on each piece.
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【单选题】listen to the clip and complete each sentence with a proper word:Samantha will make a good actor. She’s always trying to be the ______.
A.
diversion
B.
fascination
C.
centre of attention
D.
temptation
查看完整题目与答案
【单选题】Listen to the video clip and choose the correct answer to each question. 1. Why does Alice come to Bill's office?
A.
To ask some questions.
B.
To collect the payment.
C.
To get the documents.
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【单选题】Listen to the video clip and choose the correct answer to each question. 1. What’s the purpose of Laurent White calling Alice?
A.
To bargain for a better offer.
B.
To refuse her offer.
C.
To cancel the deal.
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word: John would be an excellent student if he would focus more. But he’s just so prone to ______.
A.
tempting
B.
focus
C.
drawn
D.
distraction
查看完整题目与答案
相关题目：
【判断题】According to Porter, the policies of government and of business firms can enhance or detract from the four attributes that determine national competitive advantage.
A.
正确
B.
错误
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:I can’t talk to him if the football’s on. He just sits down and ______, and doesn’t listen to a word I say.
A.
tunes on
B.
zones out
C.
pays heed
D.
drawns
查看完整题目与答案
【多选题】下列对少林内功的习练功用描述正确的有
A.
增强情绪调控力
B.
提高躯体稳定性
C.
调节内脏系统功
D.
增加上肢的力量
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:As he walked into the dark alley, he was completely ______ of the thief behind him.
A.
captivated
B.
engrossed
C.
unaware
D.
tempted
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:There’s nothing like a TV for entertaining children! Just switch it on and they’re ______ for hours!
A.
distraction
B.
disrupted
C.
zoning out
D.
engrossed
查看完整题目与答案
【单选题】Listen to the video clip again and choose the correct answer to each question. 3. Which of the following is NOT mentioned as a special requirement for packing?
A.
To wrap each piece individually.
B.
To pack 10 pieces together.
C.
To put a label on each piece.
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word:Samantha will make a good actor. She’s always trying to be the ______.
A.
diversion
B.
fascination
C.
centre of attention
D.
temptation
查看完整题目与答案
【单选题】Listen to the video clip and choose the correct answer to each question. 1. Why does Alice come to Bill's office?
A.
To ask some questions.
B.
To collect the payment.
C.
To get the documents.
查看完整题目与答案
【单选题】Listen to the video clip and choose the correct answer to each question. 1. What’s the purpose of Laurent White calling Alice?
A.
To bargain for a better offer.
B.
To refuse her offer.
C.
To cancel the deal.
查看完整题目与答案
【单选题】listen to the clip and complete each sentence with a proper word: John would be an excellent student if he would focus more. But he’s just so prone to ______.
A.
tempting
B.
focus
C.
drawn
D.
distraction
查看完整题目与答案