【单选题】______is the largest single employer of labor in the U. K.
A.
The central government
B.
The National Health Service
【单选题】操作系统中,下面“不合法”的文件名是()
【单选题】In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must_____.
A.
actuate an alarm and open the engine room control valve
B.
actuate an alarm and open the engine room CO2 releasing valve
C.
open the engine room control valve and shut off engine room ventilation fans
D.
open the engine room control valve and then the CO2 releasing valve
【单选题】为使高速公路交通有序、安全,路旁立了许多交通标志。如图所示,甲图是限速标志,表示允许的最小速度是50km/h;乙图是路线指示标志,表示到下一出口还有25km,上述两个数据的物理意义分别是()
【单选题】证券公司、证券投资咨询机构提供证券投资顾问服务,应当与客户签订证券投资顾问服务协议,协议应当包括( )。 Ⅰ 收费标准和支付方式 Ⅱ 证券投资顾问服务的方式 Ⅲ 争议或者纠纷解决方式 Ⅳ 自签订协议之日起15个工作日内,客户可以书面通知方式提出解除协议
【单选题】It was ____ exciting news that more than ten students in a single school were admitted to Tsinghua University in the same year. [ ]
【单选题】Hip replacement surgery is______joint replacement surgery in the U. S.
A.
the single most frequent
B.
the most single frequent