ZD（J）9系列电动转辙机当道岔尖轨因故不能转到位时，摩擦连接器应（）。

Every year,a great many visitors come to visit the temple _____  the 12th century,____ has brought

a large income.           [ ]

A. dating from; which                    

B. date from; which        

C. which dates from:that          

D. which dated from;that

______ strong-minded the teachers are, they should give their students enough time to share their ideas in class.

A．However

B．Whatever

C．No matter

D．Although

对于流窜作案、多次作案、结伙作案的重大嫌疑分子，提请审查批准逮捕的时间( )

A．可以延长至3日

B．可以延长至4日

C．可以延长至30 日

D．可以延长至37日

下列细菌生长最为缓慢的是（）

A.蜡样芽孢杆菌

B.脑膜炎奈瑟菌

C.结核杆菌

D.变形杆菌

E.军团菌

室内给水系统采用设水箱给水方式时，其条件是（）

A、水压、水量满足要求

B、水量满足，水压规律不足

C、水压满足，水量规律不足

D、水量、水压均不满足