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下图分别为显微镜结构和细胞结构示意图,请据图回答下列问题: (1)用显微镜观察临时装片时,在视野中已经找到观察物像,如果要使物像更清晰些,应调节显微镜的【  】___________。若观察的物像不在视野中央,而是在视野的右上方,应该把载玻片向___________移动,使物像位于视野中央。 (2)如果用5倍目镜和10倍物镜观察,这时物像被放大_______倍。 (3)上图甲乙两个细胞中植物细胞是______,判断依据是_________(据图回答一项即可) (4)细胞结构中,【2】____________能控制物质进出细胞。
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A.
at last
B.
at best
C.
at most
D.
at least
【判断题】氢氟酸能与二氧化硅作用生成易挥发的四氟化硅气体。
A.
正确
B.
错误
【简答题】Whenever Kate goes to the hospital, she sees many patients there. She hopes to help them, so Kate wants to be a nurse when she 小题1:g ▲ up. Last summer Kate broke her right 小题2:l ▲ . The pain was serio...
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【简答题】She hopes to have good luck in the interview tomorrow.翻译
【简答题】Why does Mary want to do a good job? She hopes to be______.
【简答题】A.She wants to have a promotion. B.She hopes to earn more money. C.She was more interested in international finance. D.She was eager to learn more about international transactions.
【简答题】A.She wants to have a promotion. B.She hopes to earn more money. C.She was more interested in international finance. D.She was eager to learn more about international transactions.
【单选题】for(i=6;i<58;i++),会循环执行( )。
A.
52
B.
6
C.
51
D.
58
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