按规定周期和要求对重要客户开展用电安全检查。安全用电服务“五率”应达到()。
A.99.7%
B.99.8%
C.99.9
D.100%
参考答案:D
The new play ____ four parts, each of which is very fascinating.
A.is composed of
B.composes of
C.makes up of
D.made up
下列关于“元宵节”的别称不正确的是( )。
A.元夕节
B.上元节
C.正月半
D.中元节