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【单选题】
盐酸利多卡因的鉴别反应是( )。A.
加入三氯化铁试液,显紫
B.
在碳酸钠试液中,与硫酸铜反应,生成蓝紫色配位化合物
C.
与硝酸反应,显棕色
D.
在酸性条件下,和亚硝酸钠与B-萘酚反应显橙红色
E.
加入三氯化铁试液,生成赭色沉淀
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举一反三
【单选题】–I have little money. Could I ______ some _______ you?
A.
borrow; to
B.
borrow; from
C.
lend; to
D.
lend; from
【单选题】–Could I _____ this book? --Sure. But you can only _____ it for one week.
A.
lend, borrow
B.
borrow, lend
C.
keep, lend
D.
borrow, keep
【单选题】– Andy, could I borrow your for a few hours? I have to go to the airport to pick up my aunt. – Sure, here is the key. Be careful on the road.
A.
car
B.
computer
C.
phone
【简答题】不同的企业法律形态对企业产生的影响有哪些？
【单选题】––I didn’t go to work yesterday because my car broke down. ––You _____ mine. I wasn’t using it then.
A.
might borrow
B.
should borrow
C.
must have borrowed
D.
could have borrowed
【单选题】– Could you tell me how long ________ the books? ––Three days.
A.
I can keep
B.
can I borrow
C.
I can borrow
D.
can I keep
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