行政执法人员在行政执法中,不得使用粗俗、歧视、侮辱以及威胁性语言,不得刁难当事人或者做出有损行政执法人员形象的行为。
参考答案:对
下列统计指标中,属于时点指标的是()。
A.商品零售额
B.股票价格
C.全社会固定资产增值率
D.产品产量
—I _______ a basketball. Does Jack have one?
—No, he doesn't have, either (也). [ ]
A. have
B. doesn't have
C. has
D. don't have