题目内容

Don't _____ your mobile phone in class.

A. playing
B. play

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---Do you know where the library is?---It is ______ Zhixing Building

A. where
B. near
C. between
D. on

---- Is there a cash machine near here.----Yes, there is one at the bank in King Street, ____ the library.

A. opposite
B. where
C. on
D. at

All of the following are intermediates formed by amino acid degradation, except:

A. α-Ketoglutarate
B. Oxaloacetate
C. Fumarate
D. Citrate

Which of the following amino acid cannot undergo transamination?

A. Lysine
B. Alanine
C. Aspartic acid
D. Glutamic acid