农村劳动力向城市转移的动力是()。
A.工业部门人均收入高于农业部门
B.近代工业的兴起
C.农村自然经济解体
D.农民破产
E.城市有社会保障
参考答案:A, B, C
What _ the man _ over there? [ ]
A. is; do
B. are; doing
C. is; doing
D. are; do
Does your brother _____ a ruler? [ ]
A. has
B. have
C. is there
D. are there