现代国家中，议会的主要职能是（）
A.代表职能
B.选举职能
C.立法职能
D.监督、制约职能
E.外交职能
参考答案：A, C, D
Ms Black is considered a________lady by her neighbors, for she often helps the poor old man next door. [ ]
A. generous
B. hopeful
C. mean
D. selfish
LDI是使（）指令。
A.输出
B.常闭触点与左母线连接
C.常开触点串联
D.常开触点并联
