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问题 单项选择题

乳癌患者 * * 皮肤出现“酒窝征”改变的原因是（）。

A.癌肿堵塞皮下淋巴管

B.癌肿与皮肤粘连

C.癌肿侵犯CooPer韧带

D.癌肿与胸肌粘连

E.癌肿侵犯乳管

答案

参考答案：C

写作题

书面表达。

      你们学校有什么样的规章制度？你认为它们合理不合理？请给校长写一封信，说明并给予评论。

（至少80个单词）

    参考句型： We can/can't... We have to... 

                       We are (not) allowed to...

                        I think it's.../it makes us...

                        I think we should be allowed to... 

Dear Mr. Zhang, 

     We have many rules at our school. Some are good for us. But some are not. _____________________

_______________________________________________________________________________________

_______________________________________________________________________________________

                                                                                                                                               Yours,

                                                                                                                                                Li Lei

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单项选择题

接触线的张力差不得大于额定张力的（）%。

A.±5

B.±10

C.±15

D.±20
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