19世纪后半期,在科学理论指导下工业革命进入新的发展阶段,当时的两个发源地和中心国家是:( )①英国 ②法国 ③德国 ④美国 A . ①② B . ②③ C . ①④ D . ③④ 答案:D27、 Mr Frank asked me a question ____ I could go
with him to ____ he called the Treasure House the next week.
A. that; which B. whether;
that C.
whether; what D. that; where