A、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/7976e819-9c54-48a2-9843-e4ef5e9fbd51.png" />
B、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/7c39c871-7092-45ab-9360-b883d470e6eb.png" />
C、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/765cab10-eab5-4a41-a620-68ac1a6c3392.png" />
D、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/43cb1983-6932-4c83-bd05-7b70d04b0e42.png" />
A、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/0b4638fa-def2-470f-b28f-b5ec65d2371e.png" />
B、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/f72b0754-06d3-4278-9fbc-f19d3a67a8fc.png" />
C、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/f64b1fca-b221-48c9-b0ff-a5a262e2f762.png" />
D、<img width="33" height="20" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/2eb73240-3dad-4e05-a8b0-0af4a7a57692.png" />
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