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问题 选择题

某同学列出的输血关系表如下，表中有错误的一行是（　　）

某人的血型可接受的血型可输给的血型
①AA、ABA、O
②BB、OB、AB
③ABA、B、AB、OAB
④OOA、B、AB、O

A．①

B．②

C．③

D．④

答案

答案：A

阅读理解

用下列方框中所给动词(组)的适当形式填空: (每小题1分，共7分)   

小题1:Meat should ____________________ to make dumplings.

小题2:The man ___________ president of USA is named Barack Obama.

小题3:_____________ the chance, and you will get out of the difficult situation.

小题4:___________ to 2016, we are full of confidence, and believe that the future of the company will be brighter with our joining.

小题5:The difference in thickness and weight from the earlier version makes the iPad2 more comfortable ___________.

小题6:We’d better have the road signs __________________ clearly so that the tourists know in which direction to go.

小题7:The workers shall protect the underground and underwater cables when _________ construction.
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选择题

下列化学方程式书写正确的是

A．4P + 5O22P2O5

B．2Fe + 6HCl = 2FeCl3 + 3H2↑

C．Zn + 2HCl = ZnCl2 + H2

D．2KMnO4 = K2MnO4 + MnO2 + O2↑
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