对蛲虫感染无效的药物是A．甲苯咪唑 B．哌嗪 C．恩波维铵 D．噻嘧啶 E．吡喹酮

Harry, the Hotshot, salesman got a tip from his brother about Kansas Power Tools(KPT). He sees that his company’s research department has a sell rating on KPT, and says, "I know better." He reads the annual report, taking notes and marking it "BUY-takeover target (Analyst’s rating is sell)." If the recommends the stock to his clients, Harry:（）

A. has violated the code because the analyst has a sell rating.

B. has violated the code because he has not done sufficient research, including meeting management and comparing the company to others in its industry.

C. is not in violation of the code.

以下哪些药组成越婢汤（）

A.麻黄、石膏

B.麻黄、桂枝

C.生姜、大枣、甘草

D.防己、茯苓

E.泽泻、甘草

To the thief’s surprise, a tourist filmed his stealing the money_______.

A．by accident

B．by the accident

C．in accident

D．in the accident

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激光切割是什么？