25. --- Nancy is not coming tonight. --- But she______!
A. promises B. promised C. will promise D. had promised
24. The bell______ the end of the period rang and we had to stop our discussion.
A. indicating B. indicated C. to be indicated D. being indicated
23. ---I hear John refused to tell the truth and was taken away by the police.
--- Where did you _______?
A. pick that up B. put that up C. make that up D. take that up
22. ---Are all telephone numbers_______ in the directory? --- Yes, all ________ Jane’s.
A. listed; including B. listed; included
C. including; includes D. being listed; being included
第一节、单项选择(15分)
21._____ we were worried about was _______ they could manage to control the pollution.
A. That; how B. That; whether C. What; that D. What; whether
25.右图为某生物的细胞结构模式图,据图回答:(16分)
(1)该细胞为_________生物细胞,判断的理由是________。
(2)该细胞与植物叶肉细胞相比,所共有的结构包括__________.
。
(3)该生物绝大多数种类是 (自养/异养)生物
24.细胞是生物体结构和功能的基本单位,又是新陈代谢的主要场所。据图回答:(18分)
(1)动.植物细胞的最主要区别是看其有无 。以上4个图中属于原核细胞的是 ,能进行光合作用的是 。蓝藻是 (填字母 )其能进行光合作用原因是其具有 、
(2)B细胞与D细胞结构中无明显差异的结构是 、
(3)C细胞的DNA主要存在于 A细胞的DNA主要存在于
23.某学生在实验时,先用一块洁净纱布擦拭镜头,再在一干净载玻片中央滴一满清水,放入一小块植物组织切片,小心展平后放在显微镜载物台正中央,并用弹簧夹片压住。然后在双眼侧视下,将物镜降至距玻片1-2cm处停止。用左眼朝目镜里观察,同时转动粗准焦螺旋,缓缓上升镜筒。请指出该生操作中不正确的地方:(6分) (1)_____________________________________________________________;
(2)_____________________________________________________________;
(3)_____________________________________________________________。
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