问题
解答题
用一个放大5倍的放大镜看45°角，这个角的度数是135°角．______．
答案
由分析可知：用一个放大5倍的放大镜看45°角，这个角的度数仍是45°角；
故答案为：错误．
搜题请搜索小程序“爱下问搜题”
用一个放大5倍的放大镜看45°角，这个角的度数是135°角．______．
由分析可知：用一个放大5倍的放大镜看45°角，这个角的度数仍是45°角；
故答案为：错误．
用方框中所给词的适当形式填空。（5分）
小题2:Tom hopes to ____ with his old friends in America. 小题3:Mike was late for school ____ his illness yesterday. 小题4: You must ____ all the windows are closed before you leave the room. 小题5: We can ____ to help Mary with her lessons. |