【单选题】They met some trouble solving that problem. Things didn't ________ as smoothly as they had expected.
【简答题】Solving that problem remains the best of all ways to p________ a wider peace.
【单选题】下列二十四节气中,全部反映气候变化的是()
【单选题】The author suggests that the approach of physicists to solving scientific problem is which of the following?
A.
Practical for scientific purposes.
B.
Detrimental to scientific progress.
C.
Unimportant in most situations.
D.
Expedient, but of little long-term value.
【单选题】下列二十四节气中,全部反映气候变化的是() 选择一项:
【单选题】6-40.下列二十四节气中,全部反映气候变化的是()选择一项: