选择题：I sent him the package yesterday.Heit by now.A.rec

题目内容：

I sent him the package yesterday.He
it by now.
A.receives
B.received
C.will receive
D.might have received

参考答案：

The situation is quite serious and will become eve

The situation is quite serious and will become even worse unless some measuresA.

分类：专升本英语题型：选择题

以下程序运行后的输出结果是（　　）main()　{int i=5 ;　switch(i)　{case 0: printf (

分类：专升本英语题型：选择题

[单选题,7.6分] 70、数值计算中值得注意的问题主要有：（）A.防止相近的两数相减；B.防止小数“吃掉”大数；C.防止除法中除数的数量级远大于被除数。D.

分类：专升本英语题型：选择题

[单选题,6.6分] 正确的条件语句为（）A.if（（a=b;）>0）t=a；B. if（（a=b）>0）then t=a；C.if（a>b）t=a；D.

分类：专升本英语题型：选择题

[单选题,2.8分] 计算方法主要研究( )误差和( )误差；A.截断舍入B.发散收敛C.截断收敛D.发散舍入

分类：专升本英语题型：选择题