All substances, ＿＿＿＿＿ solids, liquids, or gases, are made up of entirely atoms.
A．whether theyB．whether C．whether are theyD．whether are
B
在帶有狀語從句的復(fù)合句中，如果從句與主句的主語一致，且從句中含有be動(dòng)詞，則可以省略從句的主語及be動(dòng)詞。此處從句中省略了they are。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

Only when _______ possible to settle the problem.
A．does the editor come will it beB．the editor comes will it be
C．has the editor come it will beD．the editor comes it will be

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

________should the young _______illegal behavior.
A．On no account, take in B．Under no circumstances. take to
C．In no way, take afterD．With no means, take on

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_______the match is lost? We can fight again!
A．Even though B．What though C．If thoughD．As though

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Though the little boy is often made ＿＿＿by his brother, he made his brother ＿＿＿yesterday.
A．cry； to cryB．crying； crying C．cry； cryD．to cry； cry

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

＿＿＿＿＿ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.
A．WereB．ShouldC．WouldD．Will

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Only after a baby seal is pushed into the sea by its mother ___ to swim.
A．how will it learnB．it will learn how
C．will it learn howD．a(chǎn)nd it will learn how

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

______, he couldn’t get the door open.
A．Might as he tryB．As he might tryC．Try as might tryD．Try as he might

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

When_______help, one often says “Thank you.” or “It’s kind of you”.
A．offeringB．to offerC．to be offeredD．offered

查看答案和解析>>

同步練習(xí)冊(cè)答案