三、补全对话。
请先阅读下面短文,掌握其大意,然后根据短文内容从下面方框内的七个选项中选择五个还原到文中,使短文意思通顺、结构完整。一空一句。
The United Nations says that there will be over 9 billion people in the world by 2050. 1. What we eat now may not meet these needs in the future. 2.
Insects(昆虫) take up little space and don’t make much waste(垃圾). They also have more protein(蛋白质) than beef, chicken and pork. 3.
People also use stem cells (干细胞) from animals to grow meat. 4. Man-made meat can be healthier than traditional meat because people can control(控制) what type of fat goes into the meat.
The BBC says algae(水藻) farming could become the world’s biggest farming industry(产业) in the future. 5. Also, it has much more protein and oil than many other plants.
A. Our food needs will grow a lot.
B. Algae is cheap and grows very quickly.
C. Insects are not very popular as food now.
D. That means we’ll have to turn tsomething else.
E. Chicken, beef and pork can all be made this way.
F. Most people don’t like the taste of man-made meat.
G. This makes insects another possible food for the future.

1-5 ADGEB