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

相關(guān)習(xí)題
 0  97377  97385  97391  97395  97401  97403  97407  97413  97415  97421  97427  97431  97433  97437  97443  97445  97451  97455  97457  97461  97463  97467  97469  97471  97472  97473  97475  97476  97477  97479  97481  97485  97487  97491  97493  97497  97503  97505  97511  97515  97517  97521  97527  97533  97535  97541  97545  97547  97553  97557  97563  97571  151629 

科目： 來源：不詳 題型：單選題

Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ______ new hope to cancer sufferers.
A．offeringB．showingC．takingD．making

查看答案和解析>>

科目： 來源：不詳 題型：單選題

New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
A．is used; not to polluteB．has used; is not polluted
C．is being used; do not polluteD．has been used; to pollute

查看答案和解析>>

科目： 來源：不詳 題型：單選題

In the terrible dream he found himself on the surface of a strange animal but it ______ to be his own pillow.
A．turned outB．turned overC．turned downD．turned off

查看答案和解析>>

科目： 來源：不詳 題型：單選題

—The dinner was delicious!
—I agree. I’m so full.
—That’s too bad. But some dessert ______.
A．has orderedB．will be ordered
C．has been orderedD．was going to be ordered

查看答案和解析>>

科目： 來源：不詳 題型：單選題

“I suppose you _________ that report yet?” “I finished it yesterday, as a matter of fact.”
A．didn’t finishB．haven’t finishedC．hadn’t finishedD．wasn’t finishing

查看答案和解析>>

科目： 來源：不詳 題型：單選題

He has changed a lot. He _______ not what he _______.
A．is, isB．was, was
C．is, wasD．was, is

查看答案和解析>>

科目： 來源：不詳 題型：單選題

“You’ve left the light on.” “Oh, so I have. _____ and turn it off.”
A．I’ll goB．I’ve gone
C．I goD．I’m going

查看答案和解析>>

科目： 來源：不詳 題型：單選題

I _______ in London for many years, but I’ve never regretted my final decision to move back to China.
A．livedB．was living　
C．have livedD．had lived

查看答案和解析>>

科目： 來源：不詳 題型：單選題

Ladies and gentlemen, please fasten your seat belts. The plane _______.
A．takes offB．is taking off
C．has taken offD．took off

查看答案和解析>>

科目： 來源：不詳 題型：單選題

I won’t tell the student the answer to the math problem until he ______ on it for more than an hour.
A．has been workingB．will have worked
C．will have been workingD．had worked

查看答案和解析>>

同步練習(xí)冊答案