问题

The theory _____ by Einstein was later to prove true, but at that time few people could accept it .

A:put out
B:put together
C:put aside
D:put forward

正确答案是：

同类题型

填入下面空缺处的语句，最恰当的一项是（）夜深人静的时候，绝大多数人都已进入梦乡，对父亲来说，却正是忙碌的时候。处理完一天积攒的信件之后，_____________父亲珍藏了几十万册古今中外的图书，但是他求知若渴，常常苦于无书可读。于是他身边的工作人员常去书店买些新书，或者从各种报刊上剪下一些科技新知识和各类资讯，送给父亲阅读。因为知道父亲爱书，所以来访的客人也会带些自己的新作或最近出版的著作送给他。这是父亲顶喜欢的礼物，他几乎都会照单全收。

He did not go into detail on the subjectHe spoke _____[ ]

Though the work is very hard, he doesn’t wantto_______easily.

How long have you been learning English —-_________! Your English is so good.

Smiling is ________universal language and it is one of________ ways to express friendship.