Some birds like to sit on a sheep because . We learn from the text that corals depend on plants for.

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问题 Some birds like to sit on a sheep because ______.
We learn from the text that corals depend on plants for______.

选项 A、comfort
B、light
C、food
D、oxygen

答案D

解析从文章第二段第四句In their skins there are tiny plants which act as“dustmen”，taking some of the waste products from the corals and giving in return oxygen which the animal needs to breathe．得知。

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Some birds like to sit on a sheep because ______. We learn from the text that corals depend on plants for______.

公共英语二级笔试

公共英语（PETS）

Whereisthisconversationprobablytakingplace?

Whendoesthisconversationtakeplace?

Whendoesthisconversationtakeplace?

Today’spolicemaninlargecitiesthroughouttheworld【C1】______onmodeminventionstohelpthemintheirwork.Inmostplacesm

Amongstthemostpopularbookswrittentodayarethosewhichareusuallyclassifiedassciencefiction.Hundredsoftitlesare【C

Ifyouareworriedaboutthingsandareunderalotofstressatworkorschool,thenyouareprobablynotsleepingwell.Worry

Whydoesthewomanadvisethemanthesublet?

Frenchfries,washeddownwithapintofsoda,areafavoritepartoffastfoodlunchesanddinnersformillionsofAmericanyou

Wecanlearnfromthetextthatmanymarriedpeople______.Johnandhiswifewenttoeveningclassestolearnhowto______.

WhywasSallyunhappy?

收涩药不适宜的病证有

预收账款属于流动负债，因此，如果企业不单设预收账款，可以将预收账款并入应付账款科目核算。()

知道自己的名字，会应答，能辨别自己和他人的东西是属于加德纳的多元智能理论中的()。

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