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[音频]Most of the day is spent on the ground; they usually walk on all four limps leaning on the knuckles (手指关节) of their ___7____, but occasionally upright. Gorillas live in __8_____ groups. The young gorillas ___9____ very well, but old ones stay almost ___10____ on the ground. At night, the gorilla family __11_____ on the ground in nests made of branches and leaves. Gorillas are hard to keep in captivity, for they are likely to get human diseases, such as tuberculosis (结核病). Gorillas, generally, are a center of ___12____ in most of the big cities.

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[音频]Friendship Is the True Spirit of Valentine’s DayEvery Feb. 14, people around the nation buy and____1______ cards, candies and gifts with loved ones, all in the name of St. Valentine. February is the month of____2______.Lavish, material gifts are not necessary to express the pure love that St. Valentine was___3_____.The most_____4___ gifts of love do not come from the wallet, and may be as simple as candidly telling someone you love how____5____ they are in your life.Instead of focusing on the absence of a boyfriend or girlfriend and feeling lonely, direct your___6_____ toward your friends and family.Don’t sit home on Valentine’s Day feeling lonely and___7____, get out and do something!Take your best friend out to dinner and thank her for always loving you even when you know it must be____8____ sometimes.Visit a local___9____ home and____10_____ love to the elderly.

8、人们把生长发育过程中身体素质发展较快一段时期称为:

A. 突增期
B. 敏感期
C. 发育期
D. 生长期

9、慢肌纤维生理特征表现为:

A. 收缩速度慢,收缩量大
B. 收缩速度慢,收缩力量小
C. 收缩速度慢,抗疲劳能力弱
D. 收缩速度快,抗疫苗能力强

10、人体最重要的供能物质是:

A. 糖
B. 脂肪
C. 蛋白质
D. 维生素

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