Mrs.Smith was much disappointed to find

题型:选择题

问题:

Mrs.Smith was much disappointed to find the washing machine she had had _______ went wrong again.

A.it                B.repaired

C.it repaired   C.to be repaired 

考点:现在分词的被动式现在分词不定式的被动式过去分词
题型:选择题

三相半波可控整流电路的最大移相范围是0°~180°。

题型:选择题

如图所示,一束光线射入两个互成90°的平面镜上,请你完成光路图。

题型:选择题

He is kept in the dark and is not _______ that the company is losing money.

A.known

B.known about

C.aware

D.aware of

题型:选择题

患者女性,25岁。初孕,妊娠36周,枕右前位,出现 * * 流血,无宫缩,胎心136次/分。最恰当的处理方法是

A.期待疗法
B.缩宫素静脉滴注引产
C.立即行人工破膜
D.立即静脉滴注止血药物
E.行剖宫产术

题型:选择题

1mol刚性双原子分子理想气体,当温度为T时,其内能为()(式中R为普适气体常量,是为玻尔兹曼常量)。

A.

B.

C.

D.

更多题库