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【单选题】
紫外线灯管消毒,亮后几分钟开始计时A.
1~3分钟
B.
3~5分钟
C.
5~7分钟
D.
7~9分钟
E.
9~11分钟
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反馈参考答案：
举一反三
【简答题】Why has academic work become more specialised?
【简答题】听下面一段对话，回答第1小题。 1. Why does the man say“Congratulations”to the woman? A. Because she has passed the driving test. B. Because she can buy a car for him. C. Because she can drive a ear for him.
【单选题】_______crime in this area has increased so much over the last 20 years? [ ]
A.
Why is it that
B.
Why it is that
C.
Why was it that
D.
Why it was that
【简答题】听对话，回答问题。 1. Where has Jack been? A. To a car factory. B. To a park. C. To a farm. 2. Why has the lake become dirty? A. Because there was no one to protect it. B. Because there were too many dead fish...
【单选题】与梅毒螺旋体特征不符合的一项叙述是
A.
菌体有致密而规律的螺旋,两端尖直
B.
用普通染料不易着色
C.
用人工培养基可以生长
D.
血液中4℃放置3天可死亡
E.
抵抗力弱,加热50℃5分钟即死亡
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