终身学习的内涵有()
A.学会学习
B.学会思考
C.学会求知
D.学会独立
参考答案:C
So difficult _______ that no one could ______ a good solution to it. [ ]
A. was the problem; come up with
B. the problem was; come up with
C. the problem was; put up with
D. was the problem; put up with
萎黄是()
A.面黄枯槁无光
B.面黄而虚浮
C.面目一身俱黄
D.面色青紫
E.面色不华、眼眶发黑