确保两次启动之间的时间至少间隔 30 秒。
A: Make sure that the time between starts is a minimum of 30 seconds.
B: Check that 30 seconds have elapsed between starts.
C: Check that 30 seconds have timed between starts.
A: Make sure that the time between starts is a minimum of 30 seconds.
B: Check that 30 seconds have elapsed between starts.
C: Check that 30 seconds have timed between starts.
A
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- Check the _________. The first class starts at 10 a.m.
内容
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Most of the information kept in short-term memory will be stored for approximately 20 to 30 seconds, but it can be just seconds if rehearsal of the information is prevented.
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条件“BETWEEN 20 AND 30”表示年龄在20到30之间,且
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It was about 30 seconds before Alex ________ from the water. we are quite scared。
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查询最后30天的记录应使用（ ）作为准则。 A: Between Date() and Date()-30 B: <=Date()-30 C: <Date()-30 D: Between Date()-30 and Date()
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