对右图b处对应历史时期的叙述中，正确的是 ①这一时期煤炭作

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问题选择题

对右图b处对应历史时期的叙述中，正确的是

①这一时期煤炭作为新能源广泛利用

②石油的利用促进了内燃机和化学工业的发展

③电话、电报等新的通讯手段加强了世界各地的联系

④垄断组织开始大量出现

A．①②③④

B．②③④

C．①②③

D．①②④

答案

从图中可以看出这是在第二次工业革命时期。

选择题

Ken _____________ visit a friend next Monday.[ ]

A. isn't

B. won't

C. was

D. wasn't

填空题

在下列各句的空白处填入一个适当的词，每空一词，使句子意思完整，语法正确。

1. Thank you very much for ______ me to your house for dinner.

2. I can't go to the movie with you tonight. I have to ______ my dog.

3. Tom started learning to play the piano at the _______ of 12.

4. My sister can speak two foreign _______ French and Japanese.

5. She _______ the first prize in the Super Voice Girls Competition in 2009.