原型定义的属性中，确保需求没有逻辑上的矛盾是下列______属性。A．一致性 B．完

The WHO thinks highly of the measures all the departments in China ________ to prevent large-scale outbreak of the disease.

A make          B settle                 C organize             D take

地氟烷抑制脑皮质与异氟烷相似。()

与乳牙特点无关的是（）

A.乳牙的根干比恒牙长

B.牙冠相对短小

C.颈嵴明显

D.乳牙牙冠颜色比恒牙白

E.乳切牙根尖向唇侧弯曲

甲烷菌是参与______的菌群。

A．第四阶段
B．第一阶段
C．第三阶段
D．第二阶段

It was now clear that no such weapons were manufactured and none been found.

A. was found



B. were founded
C. has been found


D. have been founded