答案：物质资料的生产方式。
A. can
B. may
C. could
D. will
A. 社会历史的发展不是一个自然历史过程
B. 社会历史是由人的思想动机决定的
C. 社会发展的规律与自然界的规律完全不同
D. 社会发展的规律必须通过人的自觉活动才能实现
A. haven＇t
B. mustn＇t
C. don＇t
D. aren＇t
解析：解析:learn from 从……学到
A. ought to come
B. ought come
C. ought to have come
D. ought have come
解析：解析:serious 严肃的)此外,考生还应注意need和dare这两个词,它除了是情态动词外,还可以是实义动词,在不同的情况下用法有差别
A. do harm for
B. do harmful to
C. do harm to
D. do harmful for
A. would help growing like that
B. keep to grow like it
C. keep growing like that
D. will keep growing like that
A. his wife tell him
B. for his wife to tell him
C. his wife to tell him
D. that his wife tells him
A. Nor do I
B. Neither do I
C. Either do I
D. So do I
A. Hang
B. Hanged
C. Hung
D. To hang
A. on hand
B. by chance
C. for granted
D. at will
