期货交易所中,设置持仓限额的目的是防止少数资金实力雄厚者凭借掌握超量持仓操纵及影响市场。()
要到微信小程序或APP查看答案哦。
实在点不开答案,可以分享到微信,
在微信里面查看答案。
APP具体操作流程为:
某无色溶液中,若加入溴水,溴水褪色,若加入NH4HCO3,固体溶解并产生刺激性气味的气体,则该溶液中可能大量存在的离子组是[ ]
A.Na+、Mg2+、S2-、ClO-
B.H+、Na+、SO42-、NO3-
C.K+、Ca2+、OH-、SO32-
D.Na+、K+、Cl-、OH-
请根据对话内容,在下面的空白处填入适当的词,使对话完整与正确,并将答案填在答题卡相应的横线上。每空一词。
David: Oh, the fridge is empty, so we have to go out for _小题1:__ tonight.
Susan: What __小题2:__ the French restaurant on Broadway Street?
David: Oh, no. Maybe it’s the best in town, but it’s too __小题3:_.Let’s go to a cheaper one.
Susan: There’s a new restaurant called Tortilla Flat.
David: Where is it?
Susan: It’s on Hope Street, just __小题4:__ to the post office.
David: We’d better hurry. It’s already 7 pm, and most restaurants stop serving food by 9 pm.
Susan: Don’t worry. We can _小题5:_ the restaurant in 5 minutes.
防止地址越界的工作是由下列哪一项完成的
A.软件
B.硬件
C.软件与硬件配合
D.CPU
设{an}为等比数列,S4=80,则S8=6560.()
(1)q4=81; (2)q4=82.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
蒸发加热体的列管材质较脆,开蒸发时给汽前,或者长时间压汽运行,突然提汽前应先放空积存的水,否则会形成()损坏列管。
A、汽锤
B、过大压力
C、水锤
D、气压