问题
选择题
用显微镜观察人的血涂片，发现视野内有一淋巴细胞（如图）．为了进一步对该细胞进行观察，应将其移到视野正中央．则临时装片的移动方向为（ ）
A．右上方
B．右下方
C．左上方
D．左下方
答案
答案：A
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用显微镜观察人的血涂片，发现视野内有一淋巴细胞（如图）．为了进一步对该细胞进行观察，应将其移到视野正中央．则临时装片的移动方向为（ ）
A．右上方
B．右下方
C．左上方
D．左下方
答案：A
| 朋友，你知道时间对于我们有多么宝贵吗？仔细阅读下文，让我们学会珍惜分分秒秒的时间吧。 | ||||
| Don't wasts time because time lost can never 1 . Time passes very quikly. Some students say they do not have 2 time to do their lessons. They don't know 3 make use of their time. They waste it in watching TV, playing games, and 4 other useless things.Why do we go to school early in the morning? Why do most people 5 buses instead of(代替) 6 ?The answer is very easy:we wish to 7 time because time is precious(珍贵). We know that time is 8 . When a man 9 , his time has finished. 10 time is short, we must give our time to our studies or work. | ||||
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