固体分散体难溶性载体材料是
A．PVPB．泊洛沙姆188C．PEGD．ECE．木糖醇
参考答案：D
合成dTMP的直接前体是
A．dUMPB．TMPC．TDPD．dUDPE．dCMP
These desks and chairs（）to the children in the mountain villages next week.
A.are sent
B.will send
C.have sent
D.will be sent
