12.The company is out to ______________ the European market.

12.The porter will help you______your luggage. A: with B: in C: on D: for

12.The once-famous Cutty Sark was the last fast boat transporting ( ) in the world. A: Tea B: Silk C: Opium D: Cotton

12.The function of the cardiovascular<br/>system is to transport blood throughout the body, with the heart acting as the pump for ________. A: circulation B: transportation C: transplant D: operation

12.The size of the audience, ____ we had expected, was well over one thousand. A) whom B) who C) as D) which A: whom B: who C: as D: which

一肥料包装袋上印有12-12-12，表明该肥料含有：: 12 N:12P2O5:12 K2O|12%N,12%P,12%K|12%N,12%P2O5 ,12%K2O|12%N2O,12%P2O5 ,12% K2O

【单选题】如下语句的输出分别是什么？printf ("%d %d ", 12, 12 + 45);printf ("%d,%d ", 12, 12 + 45);printf ("%d %d ", 12, 12 + 45);printf ("%d%d ", 12, 12 + 45);printf ("%d.%d ", 12, 12 + 45); A. 12 57 12,57 12 57 12 57 12.57 B. 12 57 12,57 12 57 12 57 12.57 C. 12 57 12,57 12 57 1257 12.57 D. 12 57 12,57 12 57 1257 12.57

在EXCEL中，在某单元格输入’=12*12，然后按Enter键，则在该单元格中显示____ A: =12*12 B: 144 C: 12*12 D: ’=12*12

【单选题】设二维随机向量 的联合分布列如表,则 0 1 2 0 1/12 2/12 2/12 1 1/12 1/12 0 2 2/12 1/12 2/12 A. 1/12 B. 2/12 C. 4/12 D. 5/12

."12"+34=        2."12"& 34=    3."12"+"34"=  4."12"&"34"=