题目

把直线y=-2x按向量a=(-2,1)平移后所得直线方程是（    ） A.y=-2x-3                                    B.y=-2x+3C.y=-2x+4                                    D.y=-2x-4 答案：A解析:y′-1=-2［x′-(-2)］y′=-2x′-3.动词填空（本大题共10小题，每小题1分，共10分）1.Last weekend Aloe spent a lot of time _______________ (lie) on the sofa.2.She listens to English programes every day _______________ (learn) English better.3.It rained very heavily yesterday, so my father _______________ (drive) me to school.4.Would you please _______________ (not make) so much noise? The baby is sleeping.5.Linda with her family _______________ (plan) what to do for Christmas at the moment.6.It took the Whites two hours _______________ (fly) to Beijing.7.Wuxi Underground Line 2 _______________ (be) in use soon.8.I don’t know which skirt _______________ (choose). Can you give me some advice?9.We strongly advised him _______________ (treat) the disabled kindly.10.Thank you for _______________ (offer) us so much useful information.