近现代史上，通过农业的规模经营，促进了社会经济总体发展的国家
A．日本、苏联
B．英国、美国
C．法国、德国
D．美国、法国
答案：B
I can think of many cases___ _ students obviously knew a lot of English words and expressions but
couldn't write a good essay. [ ]
A．why
B．which
C．as
D．where
合众社
