问题 单项选择题

电动起重机起升机构吊钩在超负荷时能启动,说明()。

A、传动能力过强

B、超负荷限制器损坏

C、电机选择过大

答案

参考答案:B

写作题

书面表达

        假如你是Mike,给你的朋友Jack写一封信。

        要求如下:

        1.内容必须包括劝说Jack每天锻炼身体,多吃蔬菜、水果,保证充足的睡眠,少吃垃圾食品。

        2.词数80左右,条理清楚,意思连贯,句式规范,字迹工整。

        3.信的开头和结尾已经给出,不计入总词数。

Dear Jack,

       How are you going? You usually have some problems with your health. Don't worry. Let me give you some advice. 

                                                                                                                                                                

                                                                                                                                                               

       I hope you would take my advice and keep healthy. Good luck!

                                                                                                                                                 Yours,

                                                                                                                                                  Mike

单项选择题