问题
选择题
I want _____ something about your school life in Japan. [ ]
A.know
B.to know
C.knows
D.knowing
答案
答案：B
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I want _____ something about your school life in Japan. [ ]
A.know
B.to know
C.knows
D.knowing
答案：B
=30m/s的速度匀速行驶，t=0时刻，驾驶员采取某种措施，车运动的加速度随时间变化关系如图所示，以初速度方向为正，下列说法正确的是