沉积物的主要来源有()物质。A、陆源 B、生物源 C、深源 D、宇宙源

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问题:

沉积物的主要来源有()物质。

A、陆源

B、生物源

C、深源

D、宇宙源

考点:石油地震勘探工石油地震勘探工高级石油地震勘探工高级题库
题型:多项选择题

英国曼彻斯特大学的两位科学家因为成功地从石墨中分离出石墨烯,荣获了诺贝尔物理学奖.石墨烯目前是世上最薄却也是最坚硬的纳米材料,同时还是导电性最好的材料,其理论厚度仅0.000 000 000 34米,将这个数用科学记数法表示为(  )

A.0.34×10-9

B.3.4×10-9

C.3.4×10-10

D.3.4×10-11

题型:多项选择题

下列对漫画《异口同声》认识正确的有[     ]

①推卸责任有情可原

②推卸责任不利于问题的解决

③这名患者只能自认倒霉

④事故的相关责任人要勇于承担属于自己的责任

A.②④

B.①②

C.①③

D.③④

题型:多项选择题

有关物质保存的说法正确的组合是(  )

①钠应该密封在煤油中保存 ②过氧化钠可以露置在空气中保存 ③氯水应该密封在无色试剂瓶中保存 ④漂白粉不能露置在空气中保存

A.①②③

B.①②③④

C.①③④

D.①④

题型:多项选择题
It was my birthday last Thursday. I decided to 36 it by inviting a few friends out to supper. I chose a restaurant in a _37_ part of town. It is one of my favorite restaurants because the food is good and the waiters are friendly. It is _38_ ever crowded, because not many people know about it, so it is not usually _39_ to book a table. In _40_ case, Thursday is not a busy evening.
When we entered the restaurant, we were surprised to find it completely __41_ . I___42__but not a singletable was free. One of the waiters recognized me. He came across and explained the situation. "A party of tourists came in about half an hour ago.” he said. "It was like an invasion (侵略). Suddenly the place was full! We can hardly_ 43_ ."
The waiter then pointed to a table in the corner. "The people there are about to _44_ ." he said, "Just hold on and you'll  _45 _a place there." He was right. Fifteen minutes later, the people_46  the corner table paid their  _47_ , got up and left. I led my friends across and we all sat down.
__48__ our table was almost out of sight. We tried to draw the attention of the waiter _49_ sent us there, but he, like all the other waiters, was busy  50_ the party of tourists. They ordered lots of food. At last, an hour later, the tourists were finishing their meal and looking very _51_ with life. The waiter now very tired, appeared at our table. I advised my friends about the best dishes and finally the waiter went off with our _52_ .
A few moments later he returned to our table. We could tell from his face that he had _53_ for us.  54_ a little sorry he told us that there was  _55_ left. "All we can offer you" he said, "is an omelet (煎蛋卷) !"
小题1:
A.rememberB.celebrateC.memorizeD.congratulate
小题2:
A.quietB.calmC.busyD.silent
小题3:
A.hardB.oftenC.hardlyD.always
小题4:
A.necessaryB.possibleC.importantD.certain
小题5:
A.anyB.thisC.noD.that
小题6:
A.emptyB.fullC.freeD.quiet
小题7:
A.looked upB.looked downC.looked aroundD.looked at
小题8:
A.watchB.look afterC.tryD.manage
小题9:
A.startB.leaveC.endD.pay
小题10:
A.findB.lookC.waitD.watch
小题11:
A.byB.besideC.atD.near
小题12:
A.moneyB.billC.foodD.drinks
小题13:
A.Luckily B.FortunatelyC.GenerallyD.Unluckily
小题14:
A.whomB.whichC.heD.who
小题15:
A.toB.with C.atD.on
小题16:
A.excitingB.tiredC.pleasedD.disappointed
小题17:
A.dishesB.foodC.orderD.menu
小题18:
A.good presentsB.good news C.bad news D.bad presents
小题19:
A.LookingB.SeeingC.LookedD.Found
小题20:
A.no meat or fishB.no meat and fish
C.meat and fishD.not meat or fish
题型:多项选择题

在“大风等级表”的“陆上地物征象”栏中,“大树枝摇动,电线呼呼有声,撑伞困难,高的草不时倾伏于地”。其风力等级为()。

A.4级

B.5级

C.6级

D.7级

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