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如图表示细胞内蛋白质合成后的去向和定位，其中①～⑦表示细胞结构，甲～丁表示结构中的物质。请据图回答：

结构⑥⑦中，能增加膜面积的结构分别是（）、（）。

答案

参考答案：类囊体（囊状结构或基粒）；嵴（或内膜）

解析：叶绿体的类囊体薄膜能增大叶绿体内的膜面积，线粒体的内膜向内折叠形成嵴增大的线粒体内的膜面积。

阅读理解

Mr. Smith is an Englishman. He teaches English well. His English classes are very interesting. He likes us and we like him, too.

Mr. Smith has two children---Tom and Lucy. Tom is seven and his sister Lucy is four. Tom goes to school but Lucy doesn’t. Mr. Smith likes to wear a T-shirt and Jeans. Football is his favorite sport. After school, we often have a basketball game. Sometimes Mr. Smith watches and joins us. He plays basketball just for fun.

小题1:Mr. Smith is ________.

A．a Chinese teacher

B．an English driver

C．a Japanese teacher

D．an English teacher小题2:How many sons does Mr. Smith have?

A．Only one

B．Two

C．Three

D．Not any小题3:Lucy doesn’t go to school because_______.

A．she looks beautiful

B．she is seven

C．she is only four

D．she doesn’t like school小题4:_______is Mr. Smith’s favorite sport.

A．Basketball

B．Football

C．Running

D．Volleyball小题5:The story is about______.

A．Mr. Smith’s son

B．Mr. Smith

C．Tom and Lucy

D．A basketball game
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完形填空

完成对话 通读对话，然后根据上下文补全对话内容。(共5小题，每小题2分)

A: Li Hua, the summer vacation is coming __小题1:____?

B: I’m going to visit my grandparents in the countryside.

A:Oh. I’ve never been to the countryside. It must be fun.

B:Of course.__小题2:___? 

A:I’m going to visit some famous universities in Beijing.

B: __小题3:___?

A: I’m going toTsinghua University, Peking University. By the way, how will you go to the countryside?

B:__小题4:___.

A: I hope you’ll have a good time. Will you please e-mail me some photos of countryside?

B: ___小题5:___.
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