Women would double their risk of suffering from lung cancer if they were exposed to 40
A. 妇女在家里吸烟长达410年或更长时间，她们患肺癌的痛苦就会加倍。
B. 家庭妇女接触油烟，她们患肺癌的痛苦就会加倍。
C. 妇女在家里吸烟的时间，她们患肺癌的危险就会加倍。
D. 妇女在吸烟的家庭环境中生活40年或更长时间，她们患肺癌的风险就会加倍。
It may be concluded that testing _________
A. should test only opinions
B. Should always be written
C. has changed since the Middle Ages
D. is given only in factories
【C7】
A. character
B. characteristics
C. characteristic
D. chapter
德行德育要循循善诱，以理服人，从提高学生认识人手，调动学生的主动性，使他们积极向上。这一原则是（）。
微信支付 
支付宝支付