欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

It is said that the gravity on Mars is only about __________ of the gravity on earth．
A．three-eighthsB．third-eighthC．three-eighthD．third-eighths
A

試題分析：句意：據(jù)說火星上的重力是地球上重力的八分之三。分數(shù)的表達為分子用基數(shù)詞，分母用序數(shù)詞，當(dāng)分子大于一時，分母的序數(shù)詞用復(fù)數(shù)形式；故選A。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源：不詳 題型：單選題

---______ is it from your home to the radio station?
---About three kilometers.
A．How longB．How far C．How muchD．How often

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

- Jim, it’s 9：00. Don’t be   for class again!
- I’m sorry, Ms. Green.
A. early       B. late         C. busy

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

--When do you have __________to help me with my English? I am reading the Encyclopaedia Britannica, but it is too difficult for me! 
--You can come to me ___________!
A．time; some timeB．times; sometimeC．time; anytimeD．times; anytime

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

Without Mr. Wang’s advice, I would not succeed in finishing the model plane.
A．helpB．suggestionsC．ideasD．opinions

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

— What do you think of your last ______?
—I had a very scary experience in the mountains. I won’t go there again.
A．a(chǎn)ssistantB．tripC．studyD．Examination

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

How do we say the number ‘1,483’?
A．One, four hundred and eighty-three.
B．One thousand, four hundred and eighty-three.
C．One thousand and four hundred eighty-three.
D．One thousand and four hundred and eighty-three.

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

—Tony, what’s ________ matter with you?    —I have________ toothache.
A．a(chǎn); theB．the; a C．/; theD．the; /

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

---Have you finished your homework_____?
---No, not_____.
A．a(chǎn)lready, alreadyB．yet, yetC．a(chǎn)lready, yet D．yet, already

查看答案和解析>>

同步練習(xí)冊答案