问题 单项选择题

注意缺陷多动障碍的药物治疗以神经兴奋剂最有效,可首选()

A.苯丙胺

B.匹莫林

C.丙咪嗪

D.哌甲酯(利他林)

E.氟哌酸

答案

参考答案:D

句型转换

根据要求,改写下列句子。

1. I arrived in Beijing before dark yesterday. (改为一般疑问句)

                                                                                                                     

2. Our plane leaves at ten o'clock tonight. (改为否定句)

                                                                                                                     

3. Leo and David are the same age. (保持句意基本不变) 

                                                                                                                     

4. He put on his warm clothes because of the cold weather. (对划线部分提问) 

                                                                                                                     

5. He will work hard. He will be able to catch up with the others. (用if合并句子) 

                                                                                                                     

单项选择题