Many years ago, a lot of factories were _______ from big cities to the mountainous areas in case of war.
A. transferred
B. transformed
C. transmitted
D. transported
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He said in his letter that he would _______ some photographs but I couldn’t find anything in the envelope.
A. case
B. double
C. enclose
D. nonsense
Many English words are _______ from Latin.
A. displayed
B. spread
C. lost
D. derived
I feel _______ to say that I can not believe what he said.
A. wanted
B. observed
C. obliged
D. wandered
人类嘌呤核苷酸分解的终产物是
A. 尿素
B. 尿酸
C. 肌酸
D. 肌酐
E. NH3和CO2