问题
单项选择题
按施工图的要求，以正投影的原理，把零件划在放样台上的方法是（）。
A、下料
B、放样
C、划线
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
按施工图的要求，以正投影的原理，把零件划在放样台上的方法是（）。
A、下料
B、放样
C、划线
参考答案：B
| 完形填空。 | |||
| The excitement (兴奋) was clear. Hundreds of noisy students filled the sports 1_ .They gathered for the sports meet of Hatton School _2 _ Wednesday. The students had no lovely sports jackets or shoes, _3 that did not keep them away from the track (跑道). Many of them said they __4__ the event every year, The students said they enjoyed their games period every week and had 5 for the field events in the last few days. 6 students from Grade 8 and 9 had come to compete (比赛). " My school wants the students in Grade 8 and 9 to pay 7 only to our studies. But I come because I am very _8_ in sports, "said a girl student. She 9 the third place in the l,500-metrerace for girls successfully. About l,100 students 10 200 schools joined in the sports meet, which came to an end on Thursday. | |||
| ( )1. A. grounds ( )2. A. on ( )3. A. so ( )4. A. took care of ( )5. A. provided ( )6. A. Many ( )7. A. activity ( )8. A. excited ( )9. A. failed ( )10. A. from | B. floors B. at B. because B. looked forward to B. passed B. Much B. answer B. interested B. lost B. to | C. offices C. in C. and C. watched out for C. practiced C. No C. attention C. frightened C. won C. within | D. stations D. for D. but D. kept up with D. paid D. Little D. advice D. worried D. came D. without |