They run in circles, fall from profound fatigue.
A. 匆忙地跑
B. 绕圈跑
C. 徒劳地跑
D. 盲目地跑
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From the time when Einstein came up with the idea of gravitational wave, man dived into its existence.
A. jumped into
B. are comitted to studying
C. went in
D. worked hard in
When winter comes, we stop running from the bombs so we canhide from the severe elements.
A. difficluties
B. situation
C. weather
D. factors
we find an spartment in the slums that provides a minimal coverage from the snow.
A. 提供最小的覆盖
B. 提供一个极小的空间
C. 让某人勉强栖身
D. 找到最小的避难所
The teacher summoned all the children to the room.
A. scolded
B. called together
C. urged
D. requested