Weather _______, we ’ll go out for a walk.

课堂教学结构是指什么？

These two alarm clocks are normally set together, but now they have been reset a few hours _________.

数学学习是指什么？

There is a deadlock(僵局) in the discussion when neither side gives ________ to the other.

《保护文学艺术作品伯尔尼公约》就著作权的保护期限的最低标准作了统一规定，对摄影作晶及实用艺术作品的保护为作品完成后()。

This is an important problem _______ too few social scientists have researched.

I don ’t mind _______ the decision as long as it is not too late.

《保护工业产权巴黎公约》规定，对发明、实用新型、外观设计和商标的申请人给予优先权，该优先权期限为()。

The conclusion from the study is not definite; it is just ________.