Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.
A．frequentlyB．significantlyC．steadilyD．consequently
D
副詞辨析。A頻繁地；N重要地；C穩(wěn)定地；D所以，因而，因此；結(jié)合句意可知D正確。句意：化學(xué)污染給農(nóng)業(yè)和食物鏈產(chǎn)生很大的威脅，因而對(duì)人類的健康也會(huì)有很大的威脅。
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

He devoted himself __________ to his research and got many achievements.
A．entirelyB．extremelyC．carefullyD．certainly

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Of the two famous people, the former is Yao Ming, the      is Lin Shuhao.
A．lateB．latterC．laterD．lately

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 not spend ________ money on the car which is ________ expensive for me.
A．too much; much tooB．far too; too much
C．much too; too muchD．too many; much too

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

New digital mobile phones definitely produce less radiation, but that doesn’t ______ mean that they should be used without caution.
A．relativelyB．obviouslyC．necessarilyD．generally

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

When Helen saw his tutor nod ________ to her, she calmed down and went on with her performance.
A．encouraginglyB．a(chǎn)mazinglyC．interestinglyD．a(chǎn)stonishingly

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

-----Have you been to New Zealand?
-----No, I’d like to, _____.
A．tooB．thoughC．yetD．either

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Though they are very busy every day, they manage to get tighter_______.
A．by and byB．now and thenC． all the timeD．more or less

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

We are taught that business letters should be written in a formal style           in a personal one.
A．rather thanB．other thanC．better thanD．less than

查看答案和解析>>

同步練習(xí)冊(cè)答案