鼻-鼻旁窦恶性肿瘤侵犯鼻咽部,肿瘤的T分级是()。
A.Tis
B.T1
C.T2
D.T3
E.T4
参考答案:E
— What do you think of his brother?
— I can't _____ him.
[ ]
A. stand
B. mind
C. agree
D. standing
一种药水由药粉与水按1:50配制而成,用4克药粉,需要加水( )克才能配制成这种药水。