由墟沟黄鹰嘴通向对岸西连岛的拦海大堤,全长6700m,被誉为神州第一堤.“五一”

题型:问答题

问题:

由墟沟黄鹰嘴通向对岸西连岛的拦海大堤,全长6700m,被誉为神州第一堤.“五一”黄金周,许多旅游团队到此观光.某大型旅游团车队排成了100m的长龙,以36km/h的速度匀速前行.从第一辆车驶上大堤到最后一辆车通过大堤,需要多长时间?另有一当地中学生,骑自行车通过大堤,前10min骑行3700m,剩下的路程以5m/s的速度骑完,问该同学骑车通过大堤的平均速度是多大?(计算结果保留一位小数)

考点:速度公式及其应用变速运动
题型:问答题

两个阻抗Z1、Z2并联的正弦交流电路,以下计算公式正确的是()。

A.A

B.B

C.C

D.D

题型:问答题

It was a bright spring afternoon when Fieda told me she wouldn’t need me any more. I had just finished my four-hour work -36   up and down the stairs of her three-storey home, cleaning the floor and washing the dishes. She was 37   jeans and a sweater, sitting at the table I had just 38   . a pile of papers spread around her. Her husband’  39   was going to be reduced by thirty percent. And they were trying to live as if it had 40  happened. I felt sorry for her. but I also felt a sense of 41  .

I had been cleaning Freda’s house for five years and had 42   an unexpected relationship with the family. It was not just 43   I had become an expert at scraping(刮掉)dirt stuck to their wooden floor, 44   that I had learned exactly how to place toys on the girls’ beds. It was 45   than that, for I felt I had become a part of their 46  .Freda stayed at home with the kids, 47   I would often see her in the morning 48   them to school. And I’d be there when they 49  home at lunch for sandwiches and piano practice. I had 50  them grow up. Now I was tired, but the  51 thing was that I still wanted to keep scraping away the dirt and dust for the family.  

I left Freda’s house that day, wondering about the 52    of my relationship with my clients(主顾). Who am I  53   them? As a matter of fact, I’m  54    an employee - the lowest kind of employee. But I’m also a trusted 55  of the family. I can’t help worrying about what happens around me.

36.A.stepping         B.coming                    C.jumping              D.moving

37.A.hanging              B.making                    C.wearing                   D.changing

38.A.cleaned              B.washed               C.swept                      D.brushed

39.A.duty                   B.money                     C.work                       D.pay

40.A.already               B.seldom                    C.never                      D.yet

41.A.regret                 B.surprise                   C.fear                         D.loss

42.A.started                B.developed           C.improved            D.broken

43.A.why                     B.what                       C.that                         D.which

44.A.but                     B.and                         C.or                           D.for

45.A.less                    B.least                        C.more                       D.most

46.A.life                     B.story                       C.activity                    D.experience

47.A.as                       B.so                           C.since                       D.however

48.A.taking                 B.bringing                    C.meeting                   D.calling

49.A.left                     B.returned                  C.went                       D.marched

50.A.found                 B.noticed                    C.watched                   D.realized

51.A.possible         B.great                      C.proper                     D.strange

52.A.meaning               B.nature                     C.result                      D.importance

53.A.for                  B.to                        C.with                        D.at

54.A.hardly            B.certainly                C.probably                  D.merely

55.A.member         B.person                    C.relative             D.companion

题型:问答题

交通公害治理要从减少汽车排放污染和减小()污染两方面进行。

题型:问答题

在确定品类策略时,必须考虑商店策略。如果商店策略是提高客单价,品类策略就应该推动小包装商品的发展。

题型:问答题

阮蠫的咏史诗改变了班固咏史“()”的面貌,开启了后世左思咏史的先声。

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