【单选题】Which of the following statements would the author most likely agree with?
A.
Economics course misleads students with false financial concepts.
B.
Students shouldn't be encouraged to participate in the debt market.
C.
The high schools should stop teaching introductory economics.
D.
Only with more rational design can economics course be helpful.
【简答题】孔与轴的配合 如图,请问 1. 配合公差 、 2. 极限间隙 ( 或过盈 ) ? 3. 并绘出孔与 轴 的 公差带图 ( 公差带图 请拍照上传,并确认上传相片是正的, 相片如打横 扣分 50% 。 )
【简答题】英汉互译。 1. 六点五十分 _________________ 3. 看起来像 _________________ 5. fly kites _________________ 2. 老师的房间 _________________ 4. a quarter to seven _________________ 6. play football _________________
【单选题】英语中“六点五十分”的表示方法是“()”。