0  436328  436336  436342  436346  436352  436354  436358  436364  436366  436372  436378  436382  436384  436388  436394  436396  436402  436406  436408  436412  436414  436418  436420  436422  436423  436424  436426  436427  436428  436430  436432  436436  436438  436442  436444  436448  436454  436456  436462  436466  436468  436472  436478  436484  436486  436492  436496  436498  436504  436508  436514  436522  447090 

    1分類計(jì)數(shù)原理:做一件事情,完成它可以有n類辦法,在第一類辦法中有種不同的方法,在第二類辦法中有種不同的方法,……,在第n類辦法中有種不同的方法那么完成這件事共有 種不同的方法

2.分步計(jì)數(shù)原理:做一件事情,完成它需要分成n個(gè)步驟,做第一步有種不同的方法,做第二步有種不同的方法,……,做第n步有種不同的方法,那么完成這件事有 種不同的方法

試題詳情

    書(shū)面表達(dá)(滿分20分)

    國(guó)內(nèi)某家英文報(bào)紙?jiān)O(shè)有一個(gè)求助信箱(Dr.Helper’s Mailbox)。請(qǐng)根據(jù)一份學(xué)生現(xiàn)狀中列出的部分信息,以高三學(xué)生王勇的名義,用英語(yǔ)給Dr.Helper寫一封短信。

    學(xué)生現(xiàn)狀:

    1.每日在校時(shí)間9個(gè)小時(shí);     2.每日作業(yè)時(shí)間3到4個(gè)小時(shí);

    3.幾乎沒(méi)有課外活動(dòng)時(shí)間;     4.每日睡眠時(shí)間不足。

    負(fù)擔(dān)過(guò)重原因:

    考試壓力大,作業(yè)多,家長(zhǎng)期望高。

注意:1.詞數(shù):120左右;2.信的開(kāi)頭和結(jié)尾已經(jīng)給出,不計(jì)入總詞數(shù)。

    3.參考詞匯:負(fù)擔(dān)過(guò)重(overload); 壓力 (pressure); 期望(expectations)

Dear Dr Helper,

I am a Senior 3 student.I am now in great need of your help because I can hardly stand the great pressure.

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

    I write this letter only to wish that I could have someone to talk to.I am looking forward to your advice.

試題詳情

    Two teenagers who are lost at sea off the United States for six days were saved yesterday.

    Driscoll, and his best friend, 18-year-old Josh Long, were found on Saturday about 11 km  1   Cape Fear in North Carolina.That was six days and more than 100 miles (161 km) from where they had  2  from Sullivan’s Island, South Carolina, on April 24.

    The boys had  3  a lot of water and were tired, but in pretty good  4  .They set out 5  on a 4.3-metre sailboat on a  6   day when the National Weather Service had warned small boats to stay out of the water.They realized they were  7   almost immediately and tried to swim back to  8  ,  9  the boat along with them.

Within  10  , they were far out at sea.

    “We  11  our fishing equipment on the second day,” Driscoll said.“So we couldn’t catch any fish.”

    The boys’ hopes faded  12   each day.They stood on their boat  13   they saw another boat,  14  .One night they were woken up by  15   coming into the boat.A large ship was very close to them.

    “  16  was like some huge building in the water,” Driscoll said.

    At one point, the boys thought they had gone across the Atlantic Ocean and were close to Africa.17  , they were 179km north of their starting point.A coast guard boat set out to  18   them.

    The boys got up and made some  19  .This time, they were heard.

    “What we have experienced is a completely surprising story of  20  .That’s going to be studied for years to come,” said Richard Goerling, Long’s uncle.“I think the boys have a book to write.”

16.A.a(chǎn)t         B.on          C.beside     D.off

17.A.a(chǎn)rrived        B.set off          C.returned      D.finished

18.A.drunk        B.lost         C.saved      D.found

19.A.shape      B.health      C.spirit         D.energy

20.A.traveling      B.racing                        C.fishing       D.swimming

21.A.fine        B.rainy                         C.windy       D.snowy

22.A.in trouble      B.in safe                        C.a(chǎn)t sea      D.far away

23.A.shore        B.the sea                       C.a(chǎn)n island    D.harbor

24.A.driving       B.sailing                        C.pushing     D.pulling

25.A.a(chǎn) week       B.hours                         C.minutes       D.seconds

26.A.bought       B.found          C.lost         D.repaired

27.A.by         B.for        C.on         D.with

28.A.every time      B.once         C.one day      D.sometimes

29.A.jumping and singing                           B.waving and shouting

    C.crying and speaking                           D.screaming and whistling

30.A.a(chǎn) shark       B.a(chǎn) mouse                       C.water         D.some noise

31.A.He         B.This         C.That            D.It

32.A.Instead       B.Therefore        C.But            D.So

33.A.search       B.look for                        C.look into       D.defend

34.A.fire          B.noise                         C.balloons         D.flags

35.A.voyage      B.struggle                        C.survival     D.sailing

試題詳情

15.________ fresh air, people may start to feel sick.So make sure you open the windows while working.

    A.For the absence of                                   B.In the absence of

    C.In the honour of                    D.In the short of

試題詳情

14.She published her novels _____ a man’s name, which she thought was easier to gain popularity.

    A.in              B.by             C.under          D.a(chǎn)t

試題詳情

13.Several houses were destroyed to ______ a building.

    A.make away with                                    B.make way for

    C.make for                          D.make out

試題詳情

12.We will hold a ceremony _______ those killed in battle.

    A.for honour of                       B.in honour of

    C.in honour to                       D.with honour to

試題詳情

11.We all know that science plays ______ in modern society.

    A.a(chǎn)n important role                                    B.important role

    C.important roles                    D.important parts

試題詳情


同步練習(xí)冊(cè)答案