46
[答案]:错
[解析]:参见教材P175
47
[答案]:对
[解析]:参见教材P175
48
[答案]:错
[解析]:参见教材P176
49
[答案]:对
[解析]:参见教材P172
50
[答案]:对
[解析]:参见教材P172
51
[答案]:错
[解析]:参见教材P170
52
[答案]:对
[解析]:参见教材P169
53
[答案]:对
[解析]:参见教材P152
54
[答案]:错
[解析]:参见教材P167
55
[答案]:错
[解析]:参见教材P152
56
[答案]:对
[解析]:参见教材P167—168
57
[答案]:对
[解析]:参见教材P151
58
[答案]:对
[解析]:参见教材P174
59
[答案]:对
[解析]:参见教材P175
60
[答案]:对
[解析]:参见教材P176