地球的年龄大约有________岁。()
A.46亿B.40亿C.52亿D.50亿
参考答案:A
-- I’d like to invite you to watch a movie, INCEPTION, this Saturday, Samantha.
--_____________________.
A.Oh, no. I really go wild about movies.
B.I’d rather have a day off.
C.That’ll be a good point.
D.I’m very sorry, but I really don’t feel in the mood for movies.
最早的蒸汽机专利诞生于()。
A.1620年
B.1630年
C.1640年
D.1650年