._______,we keep records on all the experiments so that we may have enough data.A.As a whole B.As a rule C.On the average D.By all means
问题描述：
._______,we keep records on all the experiments so that we may have enough data.
A.As a whole B.As a rule C.On the average D.By all means
答
D
答
B As a rule 按常规讲，我们对所有试验做记录，这样我们就有足够的数据了。
答
应该选C on the average 意思是：一般来说
如果选B,意思是：按规定,与原句意思不符
选C,意思是：一般来说,把所有试验的结果纪录下来,就能得到足够的数据了.这样说起来才通.