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【判断题】
旅游活动具有暂时性、异地性、非移民性和单一性的特征。A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【多选题】下列关于采用直接酸碱滴定法测定阿司匹林原料药的说法,正确的是( )
A.
采用的溶剂是对酚酞显中性的乙醇
B.
应缓慢滴定至终点 ， 以免水解
C.
采用结晶紫作为指示剂
D.
以氢氧化钠为滴定液
E.
滴定终点的现象是出现红色
【单选题】- You can use MSN to talk with your friend on the Internet. -I know. But can you tell me_______?
A.
what I can use it
B.
how can I use it
C.
why can I use it
D.
when I can use it
【单选题】Can you summarize the features(特征) of smart cars listed in TextA?
A.
Smart cars can eliminate most car accidents. Smart cars can alert the police and provide precise location if stolen. Smart cars can monitor one’s driving and the driving conditions nearby. Smart cars can alert the drowsy driver. Smart cars can locate your car precisely and warn of traffic jams.
B.
Smart cars can eliminate most car accidents. Smart cars can alert the police and provide precise location if stolen. Smart cars can monitor one’s driving and the driving conditions nearby. Smart cars can alert the sleepy driver.
C.
Smart cars can reduce the rate of car accidents. Smart cars can alert the police and provide precise location if broken. Smart cars can monitor one’s driving and the driving conditions nearby. Smart cars can alert the sleepy driver. Smart cars can locate your car precisely and warn of traffic jams.
D.
Smart cars can get rid of most car accidents. Smart cars can alert the police and provide precise location if stolen. Smart cars can monitor one’s driving and the driving conditions nearby to warn of traffic jams. Smart cars can alert the sleepy driver.
【单选题】正常人循环血液中嗜酸性粒细胞占白细胞的比例为:( )
A.
0.005~0.05
B.
0.05~0.5
C.
0.5~5.0
D.
0.005~0.5
E.
0.05~5.0
【单选题】—You can use MSN to talk with Vivien on the Internet. —I know. But can you tell me _______? [ ]
A.
when I can use it
B.
what I can use it
C.
why can I use it
D.
how can I use it d
【简答题】Can you use one phrase to summarize the main idea of the whole passage?
【单选题】______ you think you can or not, you must finish the project before Friday.
A.
If
B.
Unless
C.
Though
D.
Whether
【单选题】You can meet people()can possibly help you find a paid job later on.
A.
that
B.
who
C.
which
【多选题】Can you summarize the introduction of Laundry service?
A.
collecting clothes
B.
special instruction
C.
delivering clothes
D.
washing patterns
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