精英家教網 > 初中英語 > 題目詳情

【題目】After he graduated, Qian Xuesen became a researcher who studied rockets and missile (theory/ theories).

【答案】theories
【解析】句意:畢業(yè)后,錢學森成為研究火箭和導彈理論的研究者。theory理論。由and可知前后是并列關系,根據(jù)rockets可知此處用復數(shù),所以答案是theories。

練習冊系列答案
相關習題

科目:初中英語 來源: 題型:

【題目】We have been friends _________.
A.last year
B.one year ago
C.since we met last year
D.when we met last year.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Behind my house there is a ________. I often grow flowers in it.

A. poolB. riverC. gardenD. bedroom

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】---Excuse me. Does this teacher teach Maths?

---No. is over there under the tree.

A. their; TheirB. theirs; TheirC. them; TheirsD. them; Their

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Our world changed a lot in ____century.

A. the twentiethB. twentieth

C. the twenty

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Confucius had great influence (on/ in) Chinese education.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—____ the population of your city?

—It's about 30 million.

A. What'sB. How much

C. How many

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】The area of ________ Canada is over nine ________ square kilometers.

A. the; millionB. /; millionC. the; millionsD. /; millions

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—____________________. —I’d like some noodles, please.

A. How do you do?B. What do you do?

C. How are you?D. What can I do for you?

查看答案和解析>>

同步練習冊答案