SF6湿度检测,新投运测一次,若接近注意值,()之后应再测一次。
A.1个月
B.3个月
C.半年
D.1年
参考答案:C
根据句子要求转换句型(共5小题;每小题2分,满分10分)
小题1:“Ice gets into water when it is over zero.” the teacher said to us.(直接引语改为间接引语)
“Ice _______ into water when it __________ over zero.” the teacher said to us.
小题2:While he was doing his homework he fell asleep. (用省略句改写句子)
While ______ his homework, he fell asleep.
小题3:She insisted on my going with her. (改为同义句)
She insisted that I ______ _______ with her.
小题4:This is Mrs. Wang. Her daughter is a super modal. (用定语从句完成句子)
This is Mrs. Wang ______ ______is a super modal.
小题5:Two year ago she bought an expensive mountain bike and then she persuaded me to buy one. (改为同义句)
Two year ago she bought an expensive mountain bike and then she persuaded me ____ ____one.
紫外光分光光度法属于()
A.吸收光谱分析法
B.发射光谱分析法
C.散射光谱分析法
D.荧光分析法
E.反射光谱分析法