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【多选题】
电子商务的基本组成要素包括( )。
A.
用户
B.
认证中心
C.
网上银行
D.
网络
E.
海关
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【单选题】-- Is Sally in the classroo m? -- No. There _____ nobody in it. [     ]
A.
is
B.
are
C.
has
【单选题】Sally __________ in Suzhou and is now fifteen years old.
A.
is born
B.
was born
C.
has been born
【单选题】一临产孕妇,突感头痛,恶心,相继发生抽搐,查血压为22.0/14.6kPa,下肢浮肿。对此病人最适用哪种抗惊药
A.
地西泮
B.
水合氯醛
C.
硫酸镁
D.
硫喷妥钠
E.
苯巴比妥钠
【单选题】Though Joe has waited for Sally for twenty minutes,he has to wait for her __________ minutes. [     ]
A.
more a few
B.
a few more
C.
more a little
D.
a little more
【单选题】小梅制作了两只蝴蝶在草丛中翩翩起舞的动画,如图。为了更好的表现蝴蝶的姿态,制作这个动画需要()
A.
一个背景层、一个引导层、一个蝴蝶层
B.
一个背景层、两个引导层、两个蝴蝶层
C.
一个背景层、一个引导层、两个蝴蝶层
D.
一个背景层、两个蝴蝶层
【简答题】This university was founded one hundred years ago.It has been ____________.
【单选题】Sally has been swimming ______ four hours.
A.
for about
B.
since
C.
about
D.
/
【单选题】如图,小梅制作了两只蝴蝶在草丛中翩翩起舞的动画,为了更好的表现蝴蝶的姿态,制作这个动画需要()
A.
一个背景层、一个引导层、一个蝴蝶层
B.
一个背景层、两个引导层、两个蝴蝶层
C.
一个背景层、一个引导层、两个蝴蝶层
D.
一个背景层、两个蝴蝶层
【单选题】5*47.维生素的最好来源是
A.
谷类
B.
大豆类及制品
C.
薯类
D.
奶及奶制品
E.
新鲜蔬菜
【单选题】—How do you get to school, Sally? —My home is only one hundred meters from the school, so I usually to school.
A.
take the subway
B.
go by taxi
C.
walk
D.
take the train
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