1 . 听下面一段独白，回答以下小题。
1. How many languages are there in the world now?

A．Around 7,000.

B．Around 3,500.

C．Around 2,000.

2. What may happen by next century?

A．Children will stop learning any new languages.

B．Everyone will start speaking the same language.

C．About half of the world’s existing languages will disappear.

3. Why are people creating “Talking dictionaries” of dying languages?

A．To record what the languages really sound like.

B．To teach the languages to people from other cultures.

C．To help promote communication among people.

4. What does the speaker think of rare languages?

A．They are precious and worth protecting.

B．They are dying out because of technology.

C．They are not meant to be passed down to children.

2 . 听下面一段较长对话，回答以下小题。
1. Where is Lucy’s mother from?

A．China.

B．The US.

C．The UK.

2. What does Lucy want to do this summer?

A．Learn about Chinese culture.

B．Look after her grandmother.

C．Relax herself on her uncle’s farm.

3. When will Lucy go to Beijing?

A．In the summer.

B．In the winter.

C．In the fall.

4. Who does the man plan to go to New York with?

A．His friends.

B．His mother.

C．His grandmother.

3 . 树能吸收空气中的二氧化碳并阻止全球变暖。
Tress can ________ ________ carbon dioxide in the air and prevent global warming.

4 . 考试让她忧心忡忡一整天, 她夜不能寐。
With the exams ________ ________ her head all day, she can’t sleep at night.

5 . 事件的发生正如他所预料的那样。
The event _________ _________ as he had predicted it.

6 . Eventually, tai chi ________   ________ a state of physical balance and mental peace.
最终，太极拳带来了身体平衡和心态平和的状态。

7 . 珍妮弗晕倒的原因是过去几个月里她没有摄入足够的营养。
The reason why Jennifer fainted is that she ________________ enough nutrition for the last few months.

8 . 上海计划建设一个由购物中心、餐厅和停车场组成的庞大地下网络，以弥补地面空间的不足。
Shanghai plans to build a vast underground network of malls, restaurants, and parking lots to________ ________ ________a lack of space aboveground.

9 . 两只野狗贪婪的吃掉了剩下的蛋糕。
The two stray dogs greedily enjoyed _________ _________ _________ _________ the cake.

10 . 尽管人工智能有很多优势，但是它不能代替人类。
Although AI has many advantages, it can’t ________ ________ ________ ________ human beings..