According to a UN report, some 844 animals and plants ______ in the last 500 years.
A．disappeared B．were disappeared
C．have disappeared D．had been disappeared
C
考察時(shí)態(tài)，根據(jù)題意根據(jù)聯(lián)合國(guó)報(bào)告，在過(guò)去500年中大約844中動(dòng)物和植物已經(jīng)消失。說(shuō)的是過(guò)去發(fā)生到現(xiàn)在已經(jīng)完成的事情，故選C，現(xiàn)在完成時(shí)態(tài)。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Jack _________ Alice for at least 20 years.
A．has marriedB．has married with
C．has been married withD．has been married to

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

All the essays _____________, the teacher sent the students home.
A．having written and collectedB．having been written and collected
C．being written and collectedD．to be written and collected

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

At the age when many people ______ their first job, the youngsters of The Sunday Times Rich List are buying country estates or jetting off to their homes overseas.
A．were looking forB．have looked forC．a(chǎn)re looking forD．looked for

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

—Where is the telephone book?
—I ________ and get it for you.
A．a(chǎn)m going to goB．will goC．will be goingD．a(chǎn)m going

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Don’t worry. Your dog _____good care of while you are away on holiday next week.
A. will take
B. is taking
C. will be taken
D .has been taken

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Tens of us had bread for supper, while the rest ____.
A．hadn’tB．didn’tC．wasn’tD．weren’t

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Let us suppose that we _____him about it, what would have happened?
A．had not toldB．did not tellC．will not tellD．don’t tell

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

I can’t finish the experiment by myself, so the honor____ to all the members in our team.
A．is belongedB．belongsC．is belongingD．belonged

查看答案和解析>>

同步練習(xí)冊(cè)答案