()1. What ____ interesting robot!
A. a
B. an
C. the

B
解析考查不定冠词。
句意：多么有趣的一个机器人啊！interesting是发音以元音音素开头的单词，用不定冠词an修饰，故选B。

() 2. —Excuse me. ______ is the hospital?
—It's behind the library.
A. What
B. Which
C. Where

C
解析考查特殊疑问词。句意为“打扰一下。医院在哪里”“它在图书馆后面”。what什么，which哪一个，where在哪里。根据答语可知，故选C。

()3. I want ____ a nice dress.
A. buy
B. to buy
C. buys

B
解析考查固定用法。句意：我想买一条漂亮的连衣裙。want to do sth表示“想要做某事”，故选B。

()4. —______, sir. Could you please help me?
—Yes, of course.
A. Excuse me
B. Thanks
C. Pardon

A
解析句意为“打扰一下，先生。您能帮助我吗”“当然可以”。打扰别人用excuse me。thanks谢谢，pardon请再说一遍，故选A。

()5. ____ a beautiful flower!
A. Where
B. How
C. What

C
解析考查感叹句。句意：多么漂亮的一朵花啊！感叹句的结构是“What+a/an+形容词+名词！”，中心词flower是可数名词单数形式，故选C。
易混辨析 how和what都可以用来引导感叹句，应注意两者的用法区别：
(1)what引导的感叹句的中心词为名词，结构为：
What+a/an+形容词+可数名词单数(+主语+谓语)！
What+形容词+可数名词复数或不可数名词(+主语+谓语)！
(2)how引导的感叹句的中心词为形容词或副词，结构为：
How+形容词/副词(+主语+谓语)！
How+形容词+a/an+可数名词单数(+主语+谓语)！

二、从方框中选择合适的句子,补全对话。
A: Excuse me. 1. ____
B: Yes, there is.
A: Where can I see the show?
B: 2. ____
A: 3. ____ B: It's near the school.
A: 4. ____
B: Yes, there are many different kinds of robots. You will like it.
A: 5. ____ B: You are welcome.
A. Is it interesting? B. Where is it?
C. Is there a robot show in your city?
D. In the science museum.
E. Thank you.

1~5 CDB A E