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单元自测7（10分）
试卷总分:100 得分:100
一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。
1.—Do you eat porridge every day
—.
A.Porridge is my favorite
B.No, sometimes I’d have a cup of soybean milk, a boiled egg and a steamed bun for my breakfast
C.I seldom eat fast food because it’s rich in fat
2.— So how can we buy safe food
—.
A.The higher the price, the safer the food
B.We can plant vegetables and fruits by ourselves
C.When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it
3.—What is U.S’sexperiencein food safety management
—.
A.S. do better in this point
B.They are improving the legal system all the time and very strict in law enforcement
C.Some illegal traders care about nothing but making money
4.The technology has several advantagesearlier attempts to engineer meatin vitro.
A.in comparison of
B.in comparison to
C.compare with
5.The problem is uneven distribution,870 million suffering from hunger.
A.left
B.to leave
C.leaving
6.二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
（教材课文原文）
1 2050, the world’s population 2 to rise to 9 billion from just over 7 billion currently. Proponents of genetically modified foods say they are safe and can boost harvests 3 in bad conditions by protecting against pests, weeds and drought. This, they argue, will be essential to meeting the needs of a booming population in decades to come and avoiding starvation.
4 Doug Gurian-Sherman, senior scientist for the food and environment program at the Union of Concerned Scientists, an advocacy group, said genetic engineering for insect resistance has provided only a modest increase in yields since the 1990s and drought-resistant strains have only 5 reduced losses from drought.
(1).__1__
A.By
B.In
C.Until
(2).__2__
A.projected
B.is projected
C.has been projected
(3).__3__
A.even though
B.even
C.though
(4).__4__
A.Furthermore
B.Moreover
C.However
国开答案请进： 或请联系 ：
(5).__5__
A.modestly
B.modest
C.moderate
奥鹏国开作业答案请进 或添加 ：
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发表于 2024-4-8 18:00:02
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