【简答题】有逗号表达式 (a=3*5,a*4) ,则 a 的值为 ________ 。
【判断题】社会主义初级阶段,由于种种原因,阶级矛盾和阶级斗争仍将在一定范围长期存在,在某种条件下还有可能激化。( )
【单选题】In the first paragraph,the writer mentioned Michael Phelps ________.
A.
to introduce a doctor of TCM
B.
to give an example of using cupping
C.
to introduce the Rio Olympics
D.
to give an example of a good swimmer
【简答题】阅读理解。 Michael Phelps and his U.S. teammates crowned the greatest single Olympic performance on 17th August, 2008 with a win in the 4?100 - meter medley relay. The victory gave Phelps his eighth gold m...
【单选题】—Do you know how many gold medals the 23-year-old Michael Phelps _______ at the 2008 Summer Olympic Games? —Eight. [ ]
【单选题】The native Canadians lived in ________with nature, for they respected nature as provider of life.
【判断题】Scabby Bill is one of the invisible black native who lived in the settlement.
【单选题】逗号表达式(a=3*5,a*4),则a+15的值为,a的值为
【单选题】设逗号表达式(a=3*5,a*4),则a+15的值和a的值为
【单选题】在三相正弦交流电路中,下列四种结论中,正确的答案应是( )
B.
三相负载作三角形联接时,其线电流不一定是相电流的3倍
C.
三相三线制星形联接时,电源线电压必定等于负载相电压的3倍
D.
三相对称电路的总功率,P=3U p I p cosφ