8.It was_________the old clock that the old man spent the whole morning at home.
A. repair B. to repair C. repaired D.repairing
7.You __________things about.look,what a mess in your room!
A. always throw B.have always thrown
C.are always throwing D.have always been throwing
6.It was in the street_________ I met her.
A. where B.that C. which D.at which
5.__________it is to swim in the river in summer!
A. What a fun B.How funny C. What fun D.How fun
4.The doctors insisted that he_______badly ill and that he __________right away.
A. was; was operated B.be; be operated on
C.was; be operated on D.be; was operated
3.There ______ a concert in the hall this afternoon.
A. is going to have B.will have C.will to be D.is going to be
2..Hundreds of people _______if the factory closes.
A. are out of work B will be out of work
C. are out of a work D. be out of work
1._______of the population here are farmers.
A..Two-five B. Two-fifths C.Fifths-two D.Five-seconds
46、在下面的概念图中填写适当的词(5分)
举例 举例 举例
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汽车三中2008--2009学年度上学期期中考试卷
45.下图是某细胞的亚显微结构示意图,据图完成下列问题:(20分)
(1) 若该细胞为人体的白细胞,其吞噬细菌的过程说明[ ] 具有 的结构特点,该过程叫胞吞。
(2) 若该细胞为人体红细胞,则在成熟过程中其结构变化的主要特点是 ,
因此而用于制备细胞膜的材料。
(3) 细胞进行生命活动所需的能量主要由[ ] 供给。
(4) 结构[3]的名称为 ,在该细胞中其功能是 。
(5) 细胞内具有双层膜结构的是 [ ] 、 [ ] 。
(6)细胞内蛋白质等物质的运输通道是[ ] 。
(7)结构[ ] 是遗传信息库,是细胞代谢和遗传的控制中心。
(8)与细胞有丝分裂有关的细胞器是[ ] ,在细胞有丝分裂间期,易
被碱性染料染色的物质是染色质,其化学成分主要是 和 。
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