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【判断题】
以下说法是否正确:16S rDNA一般用于细菌检测。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Stay as safe as possible during an earthquake. Be aware that some earthquakes are actually foreshocks(前震) and a larger earthquake might occur. Reduce your movements to a few steps to a nearby safe pla...
【简答题】Not all earthquakes are strong enough to cause______.
【简答题】Earthquakes are an unusual______(occur) in England but are not totally unknown.
【单选题】The fuel system has the job of supplying a combustible mixture of air and fuel to the engine. There are two different types of petrol fuel systems: systems with a ______ and systems with electronic fu...
A.
carburetor
B.
thermostat
C.
throttle
D.
regulator
【单选题】Earthquakes are not common in this part of the world.
A.
same
B.
ordinary
C.
rare
D.
simple
【简答题】Not all earthquakes are strong enough________
【单选题】听力原文：Earthquakes are something that most people fear. There are some places which have few or no earthquakes. Most places in the world, however, have them regularly. Some places, like Iran and Guatema...
A.
Frequently.
B.
Seldom.
C.
Regularly.
【简答题】任务型阅读。 An earthquake can often cause damage. And although not all earthquakes are severe(严重), they help people to be aware of the proper way to prepare for such an . Your level of preparation can...
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