广义相对论的三个实验验证不包括()
参考答案:单摆实验
Mary liked the watch so much that she used what she had to pay for it. Now only five cents____.[ ]
A. remained
B. left
C. was remained
D. was leaving
下列各国中,男性每天无酬劳动的时间最长的国家是()。
A.拉脱维亚
B.德国
C.英国
D.瑞典