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问题 单项选择题

呼吸作用是生物体内的有机物在细胞内经过一系列的氧化分解，在释放出能量的同时，最终生成的主要是（）

A.氧气

B.二氧化碳

C.氮气

答案

参考答案：B

阅读理解
阅读理解。
     Do you like reading? Do you often go to the library? Do you know the rules in the library? Here are
some rules for you to follow in the library.
★Keep books clean.
★Give back books on time.
★Don't use other people's library cards
★Don't bring any food or drink.		★Keep quiet.
★Borrow (借) two books a time.
★Don't bring your backpack.
★Don't break (损坏) the books, or pay for them.
     These rules are good for readers. Remember them and don't break them. You know the library is
our own library.
                                              Rules for library
You mustkeep (1)______ in the library.
Keep the books(2)______ and give them back on time.
You can borrow(3)______ books a time.
When you come to the library,you can't take your (4)______ food or drink.
You can't use(5)______ ______ library cards.
If you break the books,you have to pay for them.
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单项选择题 A1型题

患儿，出生9天。诊断为胎怯。症见筋弛肢软，目无光采，易作瘛疭。其病机是（）

A.心虚

B.肺虚

C.肝虚

D.脾虚

E.肾虚
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