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Learning functions of visceramentioned in textB in Unit 8According to the text, skin is believed to correlate to other internal organs in the body. Choose from A-E to describe different functionsof theviscera mentioned in the text.Heart Function:(1)_____________LiverFunction:(2)_Spleen Function:（3）_LungsFunction:（4）_KidneyFunction:（5）_______________A. They control all the Qi and perform the dispersing action.B. It controls the tendons.C. Itstores the vital essence and energy.D. It is in charge of digestion.E. It controls blood vessels.

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Identifying the outline of text C in Unit 8A thesis statement is a sentence in an essay that identifies the central purpose of the text. Find out the thesis statement in the text and then complete the outline of the text by choosing from A-H.Thesis statement: 1)______________________________________________.Outline:2) diet may be the key to treating skin disorders.Main idea A：Skin disorders are not just the problems on skin.Supporting Details ①:They might be a reflection of hormone 3)_, the incomplete 4)_ , and inability to absorb nutrients.Supporting Details ②: Food allergies also contribute to skin conditions.Main idea B：What we eat plays an important part in skin treatments.Supporting Details ①: Treating the skin from inside out is better than using 5).Supporting Details ②: There are certain foods to 6) in treating skin disorders.7) ____ is the right diet for a better skin.Main idea A：What to avoidMain idea B：What to eatA.WhichB.WhatC.drugsD.imbalancesE.eatF.avoidG.digestionH.Why

固体粒子的沉降过程分为阶段和阶段,沉降速度是指阶段颗粒相对于的速度。

在斯托克斯区,颗粒沉降速度与其直径的次方成正比。而在牛顿区,与其直径的次方成正比。

一球形石英粒子在空气中作滞流自由沉降。若空气温度有20℃提高至50℃,气体的粘度,则沉降速度将。（填“增大”、“减小”或“不变”）