The diagram shows a thick-walled tube. The thickness of the wall is 3mm. What is the internal diameter d of the tube? A. A. 2.8cm B. 3.1cm C. 3.4cm D. 7.4cm
【简答题】Watch from the beginning of the episode to 01:02 and complete these sentences. 观看视频第一段补全句子信息 第二册 EPISODE 2.mp4 Maria is a (1)________. Her flowers are (2)________, pink, yellow and (3)_________ . Ever...
【简答题】Watch from 01:26 to the end of the episode ( 01:26- 02:48 ) and complete the sentences with the missinginformation.观看视频第三段补全句子信息 第二册 EPISODE 1.mp4 1.Tracywants an ___________ with Fernando. 2.Fernando...
【简答题】第二册 EPISODE 4.mp4 Watch from 01:01 to 01:22 and complete Jessica's schedule. hh:mm Weekdays: work from (1) hh:mm to (2) hh:mm Weekends: work from 11:30 a.m. to (3)_______ or(4) hh:mm Every day: get up...