对麻疹前驱期诊断极有帮助的是
A．低中度发热B．Koplik斑C．Pastia线D．皮疹E．草莓舌
参考答案：B
The film you’d like to quickly won’t be ready until tomorrow morning.
A．have develop
B．have developed
C．have to develop
D．have to be developed
泵的轴封装置常有（）。
