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问题 单项选择题

男孩，11个月，健康婴儿。为了保证健康地生长发育，其饮食中蛋白质、脂肪、糖类所供应的热量占总热量的百分比为 蛋白质(%)脂肪(%)糖类(%)

A．15 50 35

B．35 15 50

C．50 35 15

D．35 50 15

E．15 35 50

答案

参考答案：E

填空题

B Egyptian Villages 埃及村落

Most of the inhabitants live in mud-brick homes, their (1)  walls insulating against the afternoon heat. Flat roofs, exposed (2)  the northern evening breezes, serve as cool sleeping (3)  as well as storage areas. Villagers plaster the outer walls (4)  often trim them in blue, a color they believe (5)  off the evil eye. As a man becomes richer, (6)  can add a second story to his house perhaps (7)  his married son. Those villagers who have made the (8)  to Mecca paint the legend of their trip on (9)  outer walls of their homes. Such hajj houses, along (10)  the mosques, are the most distinguished buildings in a (11)

Some villagers build ornate pigeon coops close to their (12) , using the birds as food and their droppings to (13)  crops. Many houses still have dirt floors and lack (14)  or running water; women with jars balanced on their (15)  make the trek to the community well, and children donkeys haul the (16)  liquid in jerry cans.

All (17)  said, government sponsored building programs have also brought newer (18)  residences and utilities to some villages, particularly those outside (19)  Nile Valley in the Oases and the Red Sea (20)  areas.

19.（）
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单项选择题

读下图，完成下列各题。

图示区域的自然地理特征有（）。

①降水稀少，光照充足

②冻土广泛，土壤贫瘠

③植被稀少，沙漠广布

④河网密布，地表水高

A．①②

B．③④

C．①③

D．②④
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