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【简答题】
．若随机变量 η 的分布列如下： 0 1 2 3 0.1 0.2 0.2 0.3 0.1 0.1 则当 时，实数 x 的取值范围是（ ） Ａ． x ≤2 Ｂ．1≤ x ≤2 Ｃ．1＜ x ≤2 Ｄ．1＜ x ＜2
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【单选题】When the passenger is having the luggage check-in,what should be fixed on the luggage?
A.
luggage tag
B.
money
C.
gifts
D.
phone
【单选题】Do you have ( ) luggage?
A.
5 pieces of luggage
B.
5 piece of luggage
C.
5 luggage
D.
5 luggages
【单选题】Come on. There's room for one more___________ . [ ]
A.
piece of luggage
B.
luggage
C.
pieces of luggage
D.
luggages
【单选题】With a label ________ to each luggage， it is easy for passengers to recognize their own luggage. [ ]
A.
attaching
B.
to attach
C.
attach
D.
attached
【单选题】A rack or carrier used for guests to put their luggage in the room.
A.
luggage rack
B.
luggage tag
C.
luggage cart
D.
luggage
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