【多选题】对称三相电路的计算中,下列结论正确的有( )
A.
电源与负载均为星形联结时,各相电流仅仅取决于各相电源与负载,与另外两相无关。
B.
各组电压、电流是与电源同相序的一组对称正弦量。
C.
中性线上没有电流,因而不起作用。中性线可以省去。
【单选题】C On May 23, Shenzhen introduced tough new rules in order to discourage the “ Chinese style of crossing the road ” . “ Chinese people cross roads without thinking about traffic lights, so long as they...
C.
Less than one and a half minutes.
D.
More than ten minutes.
【多选题】由省级气象主管机构指定地面气象观测站观测的项目包括( )。
【判断题】由省级气象主管机构指定地面气象观测站观测的项目:雪压;根据服务需要增加的观测的项目。()
【单选题】What was Lenovo's ranking in PC in the world before the merger?
【单选题】以下由省级气象主管机构指定地面气象观测站观测的项目是:()
【单选题】C On May 23, Shenzhen introduced tough new rules in order to discourage the “ Chinese style of crossing the road ” . “ Chinese people cross roads without thinking about traffic lights, so long as they...
A.
Because people don ’ t pay much attention to rules.
B.
Because there are too many people on the road.
C.
Because the red light lasts too long.
D.
Because people have less patience.
【单选题】People with more addictive personalities are more vulnerable to it than others. (Lines 22 – 23)
A.
People who are addicted to the Internet are weaker than other people.
B.
People who can easily develop an abnormally strong craving for things are more likely to be addicted to the Internet.
C.
People who are emotionally attached to other people are more easily heart- broken than other people.
【单选题】香港汇丰银行与中国建设银行在中国内地根据中国外商投资立法合资举办了一家银行,其中香港汇丰银行所 占股本为51%。下列说法中正确的是( )。
C.
该合资银行尽管是中国法人,提供的却是外国服务,是外国服务提供商
D.
该合资分行提供的服务是通过跨境提供方式提供的