试题与答案

I find e-mail is often () or better than a

题型:单项选择题

题目:

I find e-mail is often () or better than a postal letter.

A. as good

B. as good as

C. good

D. good as

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:霍乱弧菌在pH8.5的碱性蛋白胨水或碱性琼脂平板上生长良好。A正确。霍乱弧菌有菌毛和单鞭毛,头尾相接,"鱼群"状排列,悬滴观察呈"穿梭"样运动。故C、E正确。霍乱弧菌为革兰阴性菌,B正确。El-To...

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