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When the first settlers came to America, their principal household utensils consisted of a few pots, pans and some bowls ____in one corner of the house. There wasn’t much material ____around them. They ____in a restaurant as we often do nowadays. (temptation, dine out, stack)I. CloseComplete the passage with words chosen from the Words and Phrases to Drill box. Change the form where necessary. Jim Doherty may not be a born farmer, but he ____1____without too much trouble. Not that he has had it easy. That first hard winter he faced must have left him with the ____2 to give up and go back to the city. But he managed to ____3 it without losing heart. He’s picked up a lot of skills since then and made some real ____to his farm, though without much laborsaving machinery, ____5____that old rotary cultivator. I ____6 he doesn’t make all that much, though he does have his writing to ____7 what little ____8 he makes from the farm. I guess he does it primarily for the quality of life. Certainly, they seem a happy family and you can often see them out working together, one day spraying apple trees, the next ____9 firewood.

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Complete the passage with words chosen from the Words and Phrases to Drill box. Change the form where necessary.Jim Doherty may not be a born farmer, but he _______1 without too much trouble. Not that he has had it easy. That first hard winter he faced must have left him with the ________ 2 to give up and go back to the city. But he managed to ___________ 3 it without losing heart. He’s picked up a lot of skills since then and made some real ___________ to his farm, though without much laborsaving machinery, _____ _______5 that old rotary cultivator. I ________ 6 he doesn’t make all that much, though he does have his writing to __________ 7 what little ___________ 8 he makes from the farm. I guess he does it primarily for the quality of life. Certainly, they seem a happy family and you can often see them out working together, one day spraying apple trees, the next ___________ 9 firewood.

小肠粘膜吸收葡萄糖时,同时转运的离子是:

A. Na+
B. C1—
C. K+
D. Ca2+

蛋白质主要以下列哪种形式吸收?

A. 蛋白质
B. 多肽
C. 二肽
D. 三肽
E. 氨基酸

三大类营养物质的消化产物大部分被吸收的部位:

A. 十二指肠和空肠
B. 空肠和回肠
C. 十二指肠
D. 回肠
E. 大肠

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