【判断题】在双速异步电动机变极调速方案中,双星型接法属于高速接法。
【单选题】_______ is the distance from the mount to the river? [ ]
【单选题】-________have you visited the Great Wall? -Once. [ ]
【单选题】---How amazing the noodle is! ---Yes, it is ________, and breaks the Guinness World Record as the longest handmade noodle.
【单选题】某企业飞先后斥巨资于发电厂、控股制药厂,收购百货公司,这种多元化增长属于( )
【单选题】阅读下列程序,则运行结果为 #include 'stdio.h' fun() { staic int x=5; x++; return x;} main() { int i,x; for(i=0;i<3;i++) x=fun(); printf('%d/n',x);}
【简答题】阅读下列程序: #include int main( ) { float x; x=1.0/2+1.0/4; printf(“\nx=%f\n”,x); return 0; } (1) 程序的运行结果是: 。 (2) 如果代码中相应的表达式改为 x=1/2+1/4 ,则运行结果是 。
【单选题】The scientists are not sure__________ 查看材料
A.
how long the ice age lasted
B.
where ice sheets melted during the ice age
C.
what caused the temperature changes
D.
what the earth is made up of
【单选题】—______ have you studied English? —Not long, just for a month. [ ]