对氨基水杨酸钠中应检查
A.游离水杨酸B.间氨基酚C.对氨基酸D.肾上腺酮E.对氨基苯甲酸
参考答案:B
Stop ______ boys and girls! Now let's play a game. [ ]
A. reading
B. read
C. to read
D. reads