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【判断题】
壁材:可用作微胶囊包囊材料的有天然高分子、半合成高分子和合成高分子材料,视所包囊物质(囊心物)的性质,油溶性囊心物需选水溶性包囊材料,水溶性囊心物则选油溶性包囊材料,即包囊材料应不与囊心物反应,不与囊心物混溶。高分子包囊材料本身的性能也是选择包囊材料所要考虑的因素,如渗透性、稳定性、溶解性、可聚合性、粘度、电性能、吸湿性及成膜性等。A.
正确
B.
错误
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【单选题】The three biggest lies in America are: (1) 'The check is in the mail.' (2) 'Of course I'll respect you in the morning.' (3) 'It was a computer error.' Of these three little white lies, the worst of th...
A.
an electric instrument of sight
B.
a simple adding machine
C.
a way to keep employees honest
D.
an expensive piece of window dressing
【简答题】局域网中一般采用( )通信方式;而广域网一般采用( )通信方式。
【单选题】以下关于计算机网络说法中,正确的是( )
A.
广播式传播方式一般用于广域网,而在局域网中很少采用。
B.
在点到点的通信中,两个通信的节点必须有直接的连线,不能通过其他节点的转接。
C.
一般来说,广域网的错误率比局域网低。
D.
在广播传输方式网络中,可采用总线或环形的拓扑结构。
【简答题】There are three parties to a check: the _____ , who signs the check ; the payee, to whom the check is paid; the bank on which the check is drawn.
【单选题】--____________ --Yes, I've got three suitcases to check in.
A.
Have you got any other luggage?
B.
Is this the right counter to check in?
C.
May I see your passport?
【单选题】Mr. Teitelbaum's three-point check involves all of the following EXCEPT ______.
A.
the ground
B.
the trunk of a tree
C.
the helmet
D.
the branches and leaves of a tree
【多选题】For individual guests, there are three procedures to check in:
A.
Check the reservation information with the front desk.
B.
Help tour leader distribute the rooms.
C.
Help the tour leader go through all the formalities.
D.
Provide the necessary information.
【单选题】There are three parties to a check. The person or company to whom the check is paid is the:
A.
maker.
B.
payee.
C.
draftee.
D.
promissee.
【单选题】The three biggest lies in American are: (1)' The check is in the mail.' (2)' Of course I' 11 respect you in the morning.' (3)' It was a computer error.' Of these three little white lies, the worst of ...
A.
an electric instrument of sight.
B.
a simple adding machine.
C.
a way to keep employees honest.
D.
an expensive piece of window dressing.
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