【简答题】在我们接触的物质中,有些物质化学性质相似,因而在用途上有时可以相互代替,但有时又不能相互代替,这要具体问题具体分析.说明下列原因. (1)可以用稀有气体代替氮气做焊接金属的保护气,因为它们的______. (2)红磷、木炭、铁丝都能在点燃的条件下与氧气反应,红磷可用于测定空气中氧气含量,但木炭和铁丝却不能.分别说明其原因.______.
【单选题】I don't want my daughter ______ out after dark. [ ]
【多选题】下面关于气质和性格的说法中正确的有( )
A.
气质是先天的,但在一定条件下也可以改变;性格是后天形成的,但也具有一定的稳定性
C.
气质和性格是个性的两个不同的组成部分,它们既有区别又有联系
D.
气质更多地体现了个性的生物属性;性格更多地体现了个性的社会属性
【单选题】—Why we go out for a walk after supper? —Good idea. [ ]
【简答题】完形填空。 The sun is shining and it's very hot. __ 1 __ many people don't want to go out after __ 2 __. Mrs West has to __ 3 __ her father at the airport. Her father doesn't feel well, he wants to see a ...
【简答题】完形填空。 The sun is shinning and it's very hot. 1 many people don't want to go out after 2 . Mrs. West has to (不得不) 3 her father at the air-port. Her father doesn't feel well he wants to see a 4 in the c...
【简答题】改错。 Mr and Mrs Peter don't go out in the evening. But last night, Mrs Peter said to his husband, 'There is an good film at the cinema this evening. Can we go and seeing it?' Mr Peter was such happy ab...
【多选题】下面关于气质和性格的说法中正确的有()。
A.
气质是先天的,但是在一定条件下也可以有改变;性格是后天形成的,但是也具有一定的稳定性
B.
相对于气质来说,性格更具有社会道德评价意义。 相对于气质来说,性格更具有社会道德评价意义。
C.
气质和性格是人格的两个不同的组成部分,它们既有区别又有联系
D.
气质更多地体现了人格的生物属性;性格则更多地体现了人格的社会属性
【简答题】It was raining cats and dogs .
【单选题】—I went to work on foot yesterday, though it was raining cats and dogs. —You a bus. You were likely to get a cold.