国民大革命兴起的直接条件是（ ） A．革命统一战线的正式建立 B．中国工人运动出

单词拼写。

1. Buying a train ticket doesn't g_____ you a seat.

2. Our team has had two defeats and has gained eight v_____.

3. After his r_____ , the headmaster went to live in the country.

4. People kept on p_____ against the war in Iraq outside the conference hall.

5. Living in a big town has many a_____, such as good schools, libraries and theatres.

6. He was disappointed because he had not _____(表现)well in the 2008 Beijing Olympic Games.

7. People regard Elephant Trunk Hill as _____(象征) of China.

8. His actions _____(宣布) him (to be) an honest man.

9. The money is to be used for one _____(特定的)purpose: the building of the new theatre.

10. She made many _____(购买) at the department store.

蛋白质的电泳迁移率与下述因素中有关的是（）。

A.所带的净电荷

B.重量

C.颗粒直径

D.质/荷比

E.形状的不同

胸外心脏按压的正确按压部位是

A．胸骨左缘第4肋间

B．胸骨下1/2

C．胸骨上中1/3交界处

D．胸骨中下1/3交界处

E．胸骨左缘第4肋间腋中线上

能以利率调节国民经济的税种是( )。

A．中央税

B．地方税

C．中央税和地方税

D．中央与地方共享税

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