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【单选题】
氨基酸氧化脱氨基作用的产物是A.
α-酮酸和氨
B.
α-酮酸和尿素
C.
CO2和H2O
D.
α-酮酸和α-氨基酸
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反馈参考答案：
举一反三
【单选题】________mothers can’t go to the meeting, because they have gone to New York on business.
A.
Alice and Lily’s
B.
Alice’s and Lily’s
C.
Alice’s and Lily
【单选题】Alice ___________ to school by bus every day. [ ]
A.
is going to
B.
go
C.
goes
D.
to go
【单选题】____ mothers can’t go to the meeting, because they have gone to Beijing.
A.
Alice and Lily’s
B.
Alice’s and Lily’s
C.
Alice and Lily
D.
Alice’s and Lily
【单选题】—What time does Alice usually go to school? —She usually ______ to school at seven o'clock [ ]
A.
go
B.
goes
C.
to go
D.
going
【单选题】________mothers can’t go to the meeting ,because they have gone to New York on business.
A.
Alice and Lily’s
B.
Alice’s and Lily’s
C.
Alice’s and Lily
D.
Alice and Lily
【简答题】三相异步电动机的能耗制动可以按 原则和 原则来控制。
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