【单选题】【消耗次数:1】
We should be pleased to send you some samples of our new printers on approval, _______ our own expenses.
at
on
for
in
参考答案:
复制
纠错
相关题目
【单选题】 ______ the storm, we should have reached our company.
①  Because of
②  In spite of
③  In case of
④  But for
【单选题】 This is a _____ moment for our research. We should be careful.
①  critical
②  belt
③  conscience
④  copper
【单选题】 Our Chinese tradition is quite different _____ we only want to defend our own country, not to invade other countries.
①  because
②  for
③  in that
④  that
【单选题】 We should make a clear ____ between the two scientific terms for the purpose of our discussion.
①  separation
②  discrimination
③  deviation
④  distinction
【单选题】 We all thought ______ pity that you were unable to attend our meeting.
①  that
②  which
③  this
④  it
【单选题】 Not only ______ our money, but we were also in danger of losing our lives.
①  we lost
②  lost we
③  we did lose
④  did we lose
【单选题】 Our mother earth gives us ________we need in our daily life.
①  A. Everything
②  B.something
③  C.nothing
④  D.A.thing
【单选题】 Once our chickens started laying eggs, we had such a ____ of eggs that we were giving many away to our neighbors.
①  output
②  surplus
③  production
④  plenty
【单选题】 Once our chickens started laying eggs, we had such a _____of eggs that we were giving many away to our neighbors.
①  output
②  surplus
③  production
④  plenty
【单选题】 When we arrived at the airport, we found our flight ________.
①  cancelled
②  had cancelled
③  had been cancelled
④  has been cancelled
随机题目
【单选题】 若定义intx[10];则TurboC编译系统为该数组分配()个字节存储单元。
①  10
②  11
③  20
④  21
【单选题】 C 语言中,函数首部的正确形式是()。
①  double fun(int x,int y)
②  double fun(int x;int xy)
③  double fun(int xy,int y)
④  double fun(int x,y)
【单选题】 设有不带参的宏定义#define N 20+1,则以下说法不正确的是:()。
①  编译预处理阶段,程序代码中所有的宏名N被原样替换为20+1
②  该不带参宏定义中的20+1为宏替换字符串
③  该不带参宏定义中的20+1为整型表达式
④  该不带参宏定义中的宏名N没有数据类型的概念
【单选题】 有以下程序,执行后输出结果是() main( ) { int m[][3]={1,4,7,2,5,8,3,6,9}; int i,j,k=2; for(i=0;i { printf(%d ,m[k][i]); } }
①  4 5 6
②  2 5 8
③  3 6 9
④  7 8 9
【单选题】 C语言的if语句嵌套时,if与else的配对关系是().
①  每个else总是与它上面的最近的if配对
②  每个else总是与最外层的if配对
③  每个else与if的配对是任意的
④  每个else总是与它上面的if配对
【单选题】 下列合法的数组定义是()
①  inta[]=string;
②  inta[5]={0,1,2,3,4,5};
③  chara=string;
④  chara[]={0,1,2,3,4,5};
【单选题】 已知字母a的ASCII十进制代码为97,则执行下列语句后的输出结果为(). chara=a;a--; printf(%d,%c\n,a+2-0,a+3-0);
①  b,c
②  a--运算不合法,故有语法错
③  98,c
④  格式描述和输出项不匹配,输出无定值
【单选题】 以下程序段运行后s的值是()。 int a[3][3]={1, 2, 3, 4, 5, 1, 2, 3, 4} ; int i, j, s=1; for(i=0; i for(j=i+1; j s+=a[i][j];
①  6
②  120
③  7
④  240
【单选题】 穷举法的基本要素中确定判断条件一般采用()结构。
①  顺序结构
②  选择结构
③  循环结构
④  递归结构
【单选题】 若intx,y;doublez;以下不合法的scanf函数调用语句是()。
①  scanf(%d%lx,%le,x,y,z);
②  scanf(%2d*%d%lf,x,y,z);
③  scanf(%x%*d%o,x,y);
④  scanf(%x%o%6.2f,x,y,z);