请根据下列提示,以RoadSafety为题,写一篇短文(字数:120~150)。 [提示] 每年有不少人在交通事故中伤亡。为使交通安全,要牢记如下交通规则。 (1)骑车要靠右行; (2)遇见红灯时不能向左拐或横穿马路; (3)转弯或停车时要打手势; (4)穿过马路,要做到一停二看三通过; (5)要帮助老人或孩子安全穿过马路; (6)要教育小孩不要在马路上玩耍或骑车。
单项选择题5().
A. went on B. ran away C. jumped out D. gave up
单项选择题What is one of the consequences caused by the many claims of household products
单项选择题20().
A.Whether B.Although C.When D.Unless
问答题他专心研究濒危动物,并逐渐习惯了岛上的艰苦生活。(concentrate on; and; get used to)
单项选择题Why do you think they had not a backup computer