词法分析器用于识别()
A.字符串
B.语句
C.单词
D.标识符
参考答案:C
–-I never thought she would _______ my invitation to the concert.
—She would feel sorry for missing the concert someday.
A.refuse
B.suppose
C.return
D.Remind
丙酸倍氯米松
A.β2肾上腺素受体激动B.M胆碱受体拮抗剂C.白三烯受体拮抗剂D.糖皮质激素药E.磷酸二酯酶抑制剂