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【单选题】
与核糖体30S亚基结合,阻止氨基酸tRNA进入A位的抗菌药是:A.
四环素
B.
链霉素
C.
庆大霉素
D.
氯霉素
E.
克林霉素
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举一反三
【单选题】诊断肺炎球菌肺炎的要点
A.
突发的寒战 发热 胸痛 咳嗽 咯铁锈色痰
B.
肺部实变体征
C.
X片大片状阴影，呈肺叶或肺段分布
D.
痰培养肺炎球菌阳性
E.
以上都不是
【简答题】选择正确的地方词并把字母填到括号内。 A. Police department B. hospital C. Post office D. Bank E. Library F. Motel G. Playground H. Memorial I. Dentist’s office J. City hall 6. This is a ...
【单选题】8-11、5 名学生的体重分别是 41 、 53 、 53 、 51 、 67 (单位: kg ),这组数据的极差是 _________。
A.
27
B.
26
C.
25
D.
24
【单选题】After a successful operation, Ronaldo has begun to do some exercise to ____ strength.A．addB．decre
A.
6. After a successful operation, Ronaldo has begun to do some exercise to ____ strength. A．add
B.
decrease
C.
increase
D.
Rise
【简答题】翻译下列词组。 1. in the playground 2. lie on your back 3. stand in a line 4. do some exercise 5. follow the orders __ 6. 上下 7. 仔细听 8. 双脚并拢 9. 上体育课 10. 抬起 _
【简答题】Nowadays, bicycles are very popular around the world. In some places, people use a bicycle 1 to work. Some people even ride their bicycles 2 exercise. But Do you know who 3 the first bicycle? In 1771,...
【简答题】Nowadays, bicycles are very popular around the world. In some places, people use a bicycle 1 to work. Some people even ride their bicycles 2 exercise. But Do you know who 3 the first bicycle? In 1771,...
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