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【单选题】
同一菌种不同来源的细菌称为该菌的A.
相同菌种
B.
相同菌株
C.
不同菌种
D.
不同菌株
E.
相同细菌
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举一反三
【单选题】Lunch is available in Peking House______.
A.
every day
B.
every other day
C.
all weekends
D.
all weekdays
【单选题】下列关于“白色污染”（见图）的说法，不正确的是
A.
“白色污染”破坏土壤，污染地下水
B.
“白色污染”是指白色的垃圾造成的污染
C.
用布袋代替塑料袋可以减少“白色污染”
D.
使用一些新型的、可降解的塑料可以减少“白色污染”
【单选题】听力原文：W: How do you go to work every day, by bike or by bus? M: By bike, of course. W: Why don't you take the bus? Obviously it can save much time and energy. M: I find it hard to agree with you. Somet...
A.
It is cheap and convenient.
B.
It is time-saving and energy-sparing.
C.
It is comfortable and safe.
D.
One can make friends on the bus.
【单选题】现代国防观和传统国防观的相同点是()
A.
着眼于制约战争的发生
B.
强调共同安全
C.
运用影响力、谈判、威慑等非暴力手段居于国防的重要位置
D.
战争手段的最高仲裁者地位还未发生根本性的变化
【单选题】It is requested that every student ______ a paper on the rapid development of industry.
A.
writes
B.
wrote
C.
writing
D.
write
【简答题】It is requested that every student ______ a paper on sustainable development. A) writes B) wrote C) writing D) write
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