TheUNhaswarnedthat,naturalsyst

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更新 2022-09-03
科目英语
题型单选题
难度中等
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The UN has warned that,_____ natural systems like forests and wetlands disappear , mankind is losing the services they provide such as protection from extreme weather.

A．while

B．once

C．when

D．as

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Being popular with customers , the products _____ well and ____ in two months .

A．sell ; sell out	B．are sold ; sell out
C．sell; will be sold out	D．are sold ; will be sold out

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难度：未知

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Hill often attends lectures at Nanjing University , chiefly ____ his knowledge about hobbies .

A．to acquire

B．for improving

C．to advance

D．by increasing

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.Saving resources is a basic policy of our country . And it proves _____ to its sustainable development .

A．to be great significance	B．to be of great significant
C．of great significance	D．great significant

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._______ after a long walk , Mr Yang called and said he couldn’t come .

A．Being worn out

B．To be worn out

C．Having worn out

D．Worn out

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.It is ______ to spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill .

A．well; better

B．good ; good

C．better ; good

D．better ; better

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