They tried several times to       the problem, and in the end they succeeded.
A．give upB．work outC．look throughD．think of
B
本題的含義應(yīng)該是他們幾次嘗試解決這個(gè)問(wèn)題，最后成功了，work out表示解決的意思，與句意較符合，故選B。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

Lucy prefers ________ to __________.
A．to walk, joggingB．walk, jog
C．to walk, jogD．walking, jogging

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

The policemen caught the thief, but he       on the way to the police station.
A．came inB．ran awayC．got outD．woke up

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

—What are you doing now?  —I’m    my dog. Can you help me       it?
A. finding, find            B. looking for, find            C. finding, look for

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

---Daniel, your books are in a terrible mess on your desk.
---Really sorry. I’ll           at once.
A．put them awayB．put them outC．put them onD．put them down

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

— Enough sleep is good for teenagers.
— Quite right. If you            for your favorite TV programs, you will feel sleepy.
A．set upB．cheer upC．pick upD．stay up

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

They are singing to               money for poor children in rural areas.
A. have                B. raise               C. take

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

—What a nice coat! I’ ll take it.
—But you'd better _________ first.  I’ m afraid it may be small for you.
A. try it on B. pay for it C. put it on  

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：不詳 題型：單選題

Those_______her friends.
A．a(chǎn)re　　B．is　　C．it’s　　D．they

查看答案和解析>>

同步練習(xí)冊(cè)答案