皮皮学,免费搜题
登录
搜题
【判断题】
某反应的速率方程式是 v = k [A] x [B] y ,当 A 的浓度减少 50% 时, v 降低至原来的 1/4 ,当 B 的浓度增大 2 倍时, v 增大 1.41 倍,则 x = 2 , y = 0.7 。 ( )
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】No parking means ______. [     ]
A.
you can't park your car here
B.
nobody parks his/her car here
C.
there is no parking lot here
D.
you needn't park your car here
【多选题】When we talk about a plan, we usually need to discuss the schedule, the main activities involved, etc. During discussion, we should consider each other's suggestions and make proper responses. It's OK...
A.
When/Where shall we meet?
B.
Do we have to ...?
C.
Do you mean we should ...?
D.
It's OK.
【单选题】北疆线是我国通往( )的铁路干线。
A.
蒙古
B.
朝鲜
C.
哈萨克斯坦
D.
越南
【判断题】美国管理协会对中、高层经营管理人员进行的调查显示,大多数管理者把冲突管理的重要性排在决策、领导之前。
A.
正确
B.
错误
【单选题】--- Excuse me, sir? --- ___________? --- You’re not meant to park your car in front of the main entrance. --- Oh, sorry. I don’t know.
A.
Well, who are you
B.
Yes, what is it
C.
Me, are you talking to me
D.
What’s the matter with you
【单选题】According to the passage, when you park your car in unfamiliar places, you' d better ______.
A.
put your luggage in the trunk
B.
leave little room for passengers
C.
not give any passenger a lift
D.
cover the passenger area with your luggage
【单选题】______ you park your car in the marked parking lot, you will be fined.
A.
Until
B.
If not
C.
Provided that
D.
Unless
【简答题】You need to drive away quickly after putting your money in the car park machine.
【单选题】When we say if news happens nearby, it is usually of more newsworthy than if it happens elsewhere, what factor do we talk about the news value?
A.
Unusualness
B.
Prominence
C.
Proximity
D.
Conflict
【多选题】When we describe the structure of a device, we usually talk about the ______.
A.
differences between the components
B.
connections between the components
C.
features of a component
D.
method of replacing a component
相关题目: