微波电脑美容仪在操作眼角部位时，应使用（）操作手法。A、单向拨B、双向拨C、双向挤压

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假如你是Mike，你的朋友Susan近来心情不好，请你给她发一封E-mail，提出合理性的建议，帮助她调适心情。    

字数：60-80词（首句已给出，不计入所要求的总词数）  

参考词汇： take a walk, write the diary, listen to music, go shopping, go swimming, go outside…

Dear Susan,

       When you are not feeling well,                                                                                                    

                                                                                                                                             Yours,

                                                                                                                                              Mike

开向公共走道的窗台，其底面高度不应低于（）。

A.1.5m

B.1.8m

C.2.0m

D.2.2m

继承

地形的实用功能有哪几个？

匣缽