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【单选题】
采用二氯靛酚法测定 Vc 含量时,滴定终点颜色为( )A.
黄色
B.
粉红色
C.
橘红色
D.
蓝色
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皮皮学刷刷变学霸
举一反三
【单选题】You are getting too old for football. You'd better ______tennis instead.
A.
take in
B.
take up
C.
take for
D.
take over
【单选题】You`d better take your umbrella, ______ it rains.
A.
． in case
B.
． so that
C.
． in order
D.
． as if
【单选题】– In my opinion, you'd better take a couple of days off. – ( ).
A.
I'll take your advice
B.
Let me see
C.
Never mind
D.
I'm afraid so
【简答题】You’d better take more e______( 锻炼 ).
【单选题】----Jack, how are you feeling now? ----I am much better, Mum, so you ______________ take me to see the doctor.
A.
Can’t
B.
mustn’t
C.
needn’t
D.
couldn’t
【单选题】You’re getting too old for football. You’d better _________tennis instead.
A.
take in
B.
take for
C.
take up
D.
take over
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