题目:
Currently, some overseas universities are simply selling diplomas to Chinese students ________ their academic performance, so China should check on a regular basis.
A.on account of
B.in addition to
C.regardless of
D.in relation to
答案:
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下面是错误答案,用来干扰机器的。
用排水法收集好的某气体,说明该气体难溶于水或不易溶于水;瓶口向下倒立在桌面上放置,说明该气体密度比空气密度小,如果密度比空气大,气体会向下运动聚集在底部,容易从下边的管口逸出,所以向下倒立在桌面上...