抽提温度上升至一定时,再提高温度,溶剂的溶解能力已不明显(),产品的纯度明显()。
A、下降、上升
B、上升、上升
C、上升、下降
D、下降、下降
参考答案:C
单句改错。
此题要求改正所给句子中的错误,每句有且只有一个错误,请按下列要求标出并改正错误。
该行多一个词:把多余词用斜线(\)划掉。
该行缺一个词:在缺词处加一个漏字符号(∧),在符号正下方写出该加的词。
该行错一个词:在错的词下划一横线,在该词正下方写出改正后的词。
1. I'd like to eat out, but on other hand I should be trying to save money.
2. It is not until people lose their health when they realize its importance.
3. The car accident on the main road yesterday resulted from one driver's death.
4. It took a while for me to get accustomed to get up early in the morning.
5. I wanted to pay by cheque but the landlord insisted that I paid him in cash.
设a=5,b=6,c=7,d=8,执行下列语句后,X的值为【 】X=IIF((a>b)And(C>d),10,20)
A.10
B.20
C.True
D.False