A. That a snow cover can cause ice to melt.B. How heat can prevent ice from melting.C. How
A. That a snow cover can cause ice to melt.
B. How heat can prevent ice from melting.
C. How water flows into the ocean.
D. Why volcanoes have a slippery surface.
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A. Siting on her desk.B. Sitting at her desk.C. Standing near her desk.D. Walking on her d
A. Siting on her desk.
B. Sitting at her desk.
C. Standing near her desk.
D. Walking on her desk.
请根据以下内容回答下列各题 After a day' s hard work, we needsome sleep. During the sleep,
A. sleep is important for good mental andphysical health
B. a light sleep is as restful as a deepsleep
C. memory is improved during sleep
D. sleep is relatively unimportant for humanbeings
A. Tim is learning to repairjeep.B. It is difficult to find Tim lately.C. Tim is too busy
A. Tim is learning to repairjeep.
B. It is difficult to find Tim lately.
C. Tim is too busy to help them now.
D. Tim finds it difficult to pass his exams.
A. Anderson is hungry.B. Anderson is not hungry.C. Anderson is full.D. Anderson is not ful
Anderson is hungry.
B. Anderson is not hungry.
C. Anderson is full.
D. Anderson is not full.
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