20.Most people agree that knowledge of ___ nation's culture is __ must in trade or communication.( 。
A.the;/B./; theC./; aD.a; a

分析 很多人一致認(rèn)為一個民族的文化是交流和貿(mào)易的一種必要的手段.

解答 答案 D.a(chǎn) nation'culture指一個民族的文化,a must指一種必要的方法.

點評 屬于考察冠冠詞a表示一個.泛指,這是a的基本用法.還考察must 做名詞表示必須做的事.

練習(xí)冊系列答案
相關(guān)習(xí)題

科目:高中英語 來源: 題型:填空題

4.Well,we're here in New York at last!
Our flight left at 2:30pm and for the next hours everything was great But when we were about 30 minutes away from New York,there was a(76)storm/rainstorm(暴風(fēng)雨)in the city.The pilot told us that we had to(77)landin Washington DC and the airline was going to take (78)usby bus to New York.However,we couldn't get(79)offthe plane in Washington DC because there were too many planes(80)arriving(到達(dá))at the same time.It had to fly in circles for three hours before we finally(81)leftthe plane.
The airline then(82)informedus that we'd have to stay in a hotel and set off for New York the next morning.So off we went to find the bus to the hotel.We found the bus stop and then stood in the rain(83)anxiously(焦急地)waiting for the bus.40 minutes later,we reached the hotel but there was only one room(84)availablefor my brothers and I.So we had to share one single bed.(85)Asyou can imagine,we didn't get much sleep.
What a journey!

查看答案和解析>>

科目:高中英語 來源: 題型:填空題

11.One of my most surprising findings as a student is  (25)that parents do not always accept your adulthood.I was always told that once you get to college,your parents realize that you have been living (26)on your own and can make your own decisions.This idea was rejected (27)whenI came home for Thanksgiving.At first,everything was going as(28)smoothly (smoothly) as possible.The first night I went to the Berkeley campus to visit my friend Sara,without any argument from my mother.
(29)But when I called her to say I had decided to spend the night at Sara's dorm,my mom informed me that she wanted me home at one a.m.I was wild with anger!I (30)had been making (make) my own decisions how late a young man should stay out for several months.However much I tried to reason with my mother,she insisted things are different when I am home,and that they were the (31)ones paying my bills.And kids,this is true.No matter how much you want to fight it,mommy and daddy are still holding the purse strings,whether you are 18or not.Sometimes it is best to sit back,shut up,and do(32)what/whatever they ask.

查看答案和解析>>

科目:高中英語 來源: 題型:選擇題

8.Playing basketball is     great fun; it also provides us with a chance to develop our sense of    team spirit.(  )
A.a;不填B.不填;aC.a; theD.不填;不填

查看答案和解析>>

科目:高中英語 來源: 題型:選擇題

15.For _____ dinner you should eat _____ somewhat smaller meal,because people don't need as much energy in the evenings.( 。
A./; aB.a;/C.the; aD.a; a

查看答案和解析>>

科目:高中英語 來源: 題型:選擇題

5._____ there are two different results,scientists now generally agree that some kinds of dinosaurs lived in big groups.( 。
A.ThoughB.IfC.As long asD.Unless

查看答案和解析>>

科目:高中英語 來源: 題型:選擇題

12.This is just _____ challenging job all the students want to get.Do you have anyone in _____ mind for it?( 。
A.a; theB.the; 不填C.the; theD.a; 不填

查看答案和解析>>

科目:高中英語 來源: 題型:選擇題

9.As one of the most popular artists in the US,not only_______ with her hit songs,but has inspired women with her devotion to charity.( 。
A.has Beyonce influenced pop culture
B.influenced pop culture has Beyonce
C.Beyonce has influenced pop culture
D.influenced pop culture Beyonce has

查看答案和解析>>

科目:高中英語 來源: 題型:填空題

11.D:doctor     P:patient
D:Good morning,Mr Lewis.What (61)canI do for you?
P:Hello,Doctor.This side of my face is swollen and I've got an itchy(皮疹) on it.
D:(62)Whendid it first appear?
P:Three days ago.And this is the second time that I have been here to see you about it.
D:Hmm.I remember I (63)gave(give) you some cream.What happened to the rash when you put it on?
P:It cleared up after a month or so.(64)However,it's come back again.
D:I see.Are there any animals in your house?Have you got a cat,for example?
P:Well,I (65)have been taking(take) care of my neighbor's cat since they left.
D:It may be that you're allergic (66)toit.
P:So what do you advise me(67)to do(do) about it?
D:Try to avoid the cat.And I'm going to prescribe(給…開) you two (68)medicinesa cream and some tablets.The tablets should reduce the swelling and the cream should clear up the rash.
P:How long is(69)itlikely to be before the rash clears up?
D:If you don't feel any(70)better(well) in two weeks,come back and see me.
P:Thank you,Doctor.

查看答案和解析>>

同步練習(xí)冊答案