问题
选择题
Many Chinese universities provided scholarships for students ______ financial aid. [ ]
A. in favour of
B. in honour of
C. in face of
D. in need of
答案
答案：D
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Many Chinese universities provided scholarships for students ______ financial aid. [ ]
A. in favour of
B. in honour of
C. in face of
D. in need of
答案：D
kg的木块A套在水平杆上，并用轻绳将木块A与质量m=
kg的小球相连。今用跟水平方向成α=30°角的力F=
N拉着球带动木块一起向右匀速运动，运动中M、m相对位置保持不变，取g=10m/s2。求： 