This offer ____ on October 20, 2016. Your immediate reply by e-mail will be appreciated.

【单选题】

① <img src=https://huaweicloudobs.ahjxjy.cn/ADDF3C0A56EA7976DB27AB463F62CB69.jpg title=20-1.jpg alt=20-1.jpg/>

② <img src=https://huaweicloudobs.ahjxjy.cn/A18E61E236E09490B0A253F85D53B7E6.jpg title=20-2.jpg alt=20-2.jpg/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/A90C572BDD6FE7BD2924DA70A338DA0C.jpg title=20-3.jpg alt=20-3.jpg/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/EEDF9BF6D6D5DC038932A88A80542514.jpg title=20-4.jpg alt=20-4.jpg/>

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【单选题】

① <img src=https://huaweicloudobs.ahjxjy.cn/073BCFD09DA4E965822EFBF4868C99D7.png title=20-1.png alt=20-1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/80B4EBF207EDEF1CC2BCC1191DBFBEAE.png title=20-2.png alt=20-2.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/42C4E2DB421568C87CD6F325A12F84BF.png title=20-3.png alt=20-3.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/D00EB402DE4AB0D52D58DD9E24182BDF.png title=20-4.png alt=20-4.png/>

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【单选题】

① <img title=20-1.jpg alt=20-1.jpg src=https://huaweicloudobs.ahjxjy.cn/8FABF5165B09D929BCD02BC9207FD151.jpg/>

② <img title=20-2.jpg alt=20-2.jpg src=https://huaweicloudobs.ahjxjy.cn/4BC30F145289E92604E5F20700BC55E1.jpg/>

③ <img title=20-3.jpg alt=20-3.jpg src=https://huaweicloudobs.ahjxjy.cn/1649346EA9413C2ECDC8A16F31677FD9.jpg/>

④ <img title=20-4.jpg alt=20-4.jpg src=https://huaweicloudobs.ahjxjy.cn/F66ADAF5FED6B7804CCFD2D774D141E3.jpg/>

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【单选题】

The policeman needs to see____ your ID card or your drivers license.

① every

② each

③ either

④ both

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【单选题】

① <img src=https://huaweicloudobs.ahjxjy.cn/02F0064A0C437C48FF35B84226C265DD.jpg title=20-1.jpg alt=20-1.jpg/>

② <img src=https://huaweicloudobs.ahjxjy.cn/A235AB8DA69CE04B4BD8CE4B4243E683.jpg title=20-2.jpg alt=20-2.jpg/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/8430C62D6CB4DD8CA2E4910703572BF1.jpg title=20-3.jpg alt=20-3.jpg/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/B86BE4A9CEE8C64AEEE45734708410C5.jpg title=20-4.jpg alt=20-4.jpg/>

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【单选题】

AD、AE和BC分别切⊙O于D、E、F，如果AD＝20，则△ABC的周长为（）

① 20

② 30

③ 40

④ 50

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【单选题】

Advertising media like direct mail, radio, television and newspapers ____ to increase the sales of industrial products.

① have been used

② will be used

③ is being used

④ has been used

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【单选题】

I _____him the Christmas gift by mail because he came home during the Christmas holidays.

① ought to have sent

② couldn’t have sent

③ must have sent

④ needn’t have sent

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【单选题】

Advertising media like direct mail, radio, television and newspapers _____to increase the sales of industrial products.

① have been used

② will be used

③ is being used

④ has been used

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【单选题】

已知E点距H、V、W面的距离分为10、5、20; F点在E点上方5，左方10,前方15，由此可知F的坐标为（）

① (15，30，35)

② ( 30,20,15)

③ ( 15，20，30)

④ ( 10,20,5)

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