2.In sampling, we choose a small number of items which we think       and examine the sample. (typical)

在采樣時(shí),我們選擇少量我們認(rèn)為是代表整體的東西,并對(duì)這個(gè)樣本進(jìn)行研究。

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目:高中英語 來源: 題型:

(   ) 10. As there is less and less coal and oil,scientists are exploring new ways of making use of        energy,such as sunlight,wind and water for power and fuel.

A. abrupt    B. alternative      C. authentic    D. accurate

查看答案和解析>>

科目:高中英語 來源: 題型:

6.        ,we slept deeply because we were so tired after the long journey, (as)

盡管夜晚的空氣炎熱,但我們還是睡得很沉,因?yàn)殚L(zhǎng)途旅行后我們都很累了。

查看答案和解析>>

科目:高中英語 來源: 題型:

23. So        that she would die before she would admit she was wrong.(proud)

她是那么的驕傲,寧死也不會(huì)承認(rèn)自己錯(cuò)了。

查看答案和解析>>

科目:高中英語 來源: 題型:

30. In autumn the weather of Beijing is          However, winter in Beijing is extremely cold. The temperature often drops to minus ten degrees centi?grade.(cool)

北京秋天的天氣比武漢涼爽得多。然而,北京的冬天很冷。溫度經(jīng)常下降到零下十?dāng)z氏度。

查看答案和解析>>

科目:高中英語 來源: 題型:

7.Advertising        consumers, but it does not force them to buy the prod- uct. (appeal)

廣告意在吸引顧客,而不是強(qiáng)迫顧客購買產(chǎn)品。

查看答案和解析>>

科目:高中英語 來源: 題型:

 Your close friend Lucy would like to hunt for a job in the job market, but she felt a little nervous and so she asked you for some information about how to have a successful interview. Please write a letter in English to give her some advice,encourage her and tell her not to be nervous.

Attention: 

1. Do not sign your own name at the end of the letter.

2.Use "Wang Hua" instead.

3.Do not write the address.

4.No less than 120 words.

查看答案和解析>>

科目:高中英語 來源: 題型:

假如你是李明,你的一位同學(xué)吸煙上癮了,你將給他寫一封信,勸說他戒煙。你的信件中應(yīng)包含如下建議:

1)    他的抽煙對(duì)于所有同學(xué)來說成了一個(gè)問題。

2)    他在毀壞自己身體。

3)    吸煙也傷害周圍同學(xué)的身體健康。

4)    如果有決心,是可以戒掉煙癮的。

5)    詞數(shù):120。

desperately拼命地(極嚴(yán)重地,厲害地) get addicted to對(duì)……上癮indulge放縱,沉迷于in case如果,假如dormitory宿舍quit smoking戒煙mine one's health毀壞了……的身體

查看答案和解析>>

科目:高中英語 來源: 題型:

4.You,and every other person, ought to be interested         that state of mind which will attract riches. (acquire)

每個(gè)人想要致富,必須先得有心致力于如何達(dá)成這種目標(biāo)的心智狀態(tài)。

查看答案和解析>>

同步練習(xí)冊(cè)答案