题型:问答题 简答题 Cloze test. 完形填空。 What do you do at the weekend? Some people like to 1 at home, but others like to go for a walk or 2 football. My friend Nike 3 hard in a factory during the week. At the weekend he always 4 the same thing. On Saturday he 5 his car and on Sunday he goes with his family to a village by car. His uncle and aunt 6 a farm there. It isn't a big one, but there's always much to 7 on a farm. The children help with the animals and 8 them their food. Nick and his wife 9 in the fields. At the end of the day, they are all hungry and Nick's aunt 10 them a big meal.( ) 1. A. play ( ) 2. A. kick ( ) 3. A. studies( ) 4. A. does ( ) 5. A. watches( ) 6. A. have ( ) 7. A. have ( ) 8. A. give ( ) 9. A. do ( ) l0. A. has B. live B. play B. plays B. do B. drivesB. live B. make B. take B. play B. have C. stay C. kicks C. eats C. doing C. washes C. has C. play C. pass C. work C. cook D. like D. plays D. works D. done D. takes D. lives D. do D. brings D. clean D. gives 查看答案
题型:问答题 简答题 如图所示,质量分别为m1、m2的两个物体通过轻弹簧连接,在力F的作用下一起沿水平方向做匀速直线运动(m1在地面,m2在空中),力F与水平方向成θ角。则m1所受支持力FN和摩擦力f正确的是[ ]A.FN=m1g+m2g-Fsinθ B.FN=m1g+m2g-Fcosθ C.f=Fcosθ D.f=Fsinθ 查看答案