三、不定项选择题
1
[答案]:ABD
[解析]:参见教材P272
2
[答案]:ABC
[解析]:参见教材P273
3
[答案]:BC
[解析]:参见教材P273
4
[答案]:ABCD
[解析]:参见教材P274
5
[答案]:ACD
[解析]:参见教材P275
6
[答案]:AC
[解析]:参见教材P275
7
[答案]:ABC
[解析]:参见教材P276
8
[答案]:ABCD
[解析]:参见教材P276
9
[答案]:ABD
[解析]:参见教材P277
10
[答案]:ABCD
[解析]:参见教材P278
11
[答案]:ABCD
[解析]:参见教材P278
12
[答案]:CD
[解析]:参见教材P278
13
[答案]:ABC
[解析]:参见教材P279
14
[答案]:AB
[解析]:参见教材P280
15
[答案]:AD
[解析]:参见教材P281
16
[答案]:ABCD
[解析]:参见教材P282
17
[答案]:AB
[解析]:参见教材P276
18
[答案]:ABCD
[解析]:参见教材P274-275
19
[答案]:ABCD
[解析]:参见教材P272
20
[答案]:ABC
[解析]:参见教材P273