Seeds remain dormant in the earth during winter.（)

A.from

B.of

C.by

D.according to

First published in 1927, the charts remain an ______ source for researchers.

A) identical B) indispensable C) intelligent D) inevitable

A.support

B.maintain

C.remain

D.survive

First published in 1927, the charts remain an source for researchers.

A) intelligent B) indispensable C) inevitable D) identical

r work _____.

(A) remain a theory to be further proved (C) have been challenged by many other experts

(B) have been generally accepted (D) are practiced by the researchers themselves

A.apparent

B.modest

C.loyal

D.classical

A.confronted

B.affected

C.attached

D.dominated

A.overtake

B.undertake

C.bear

D.remain

【题目描述】

5．If you plant watermelon seeds in the spring, youfresh watermelon in the fall.

A．eat

B．would eat

C．have eaten

D．will be eating

答案分析：

解析：本题考查条件句的时态。根据句意：如果你在春天种下西瓜种子，你会在秋天吃到新鲜的西瓜。可以判断这是真实的条件从句，会发生的事情，所以选择will be eating表将来。

【我的疑问】（如下，请求专家帮助解答）

为什么不是虚拟的，真实的条件从句和虚拟语句有什么不同么