合成dTMP的直接前体是
A.dUDP
B.TDP
C.dUMP
D.TMP
E.dCMP
参考答案:C
.
Don’t lie to her. As ____ matter of fact, _____ word has come that you failed your last exam.
A.the, a
B.a, /
C./ , the
D.a, the
房屋的空调架、防盗网等外观设施没隔多久维护一次?