内容正文:
期末满分模拟卷01(原卷版)
学校:___________姓名:___________班级:___________考号:___________
一、语法选择
The world’s population is still going up and scientists are ___1___ that there will not be enough food for everybody in the middle of this century. One plant from Madagascar, the Kalanchoe fedtschenkoi, may ___2___. It absorbs (吸收) carbon dioxide (二氧化碳) at night and it needs 10 times ___3___ water than corn and similar plants. This means it can grow in the desert.
It is dangerous ___4___ this plant, but scientists can study two things: ___5___ it absorbs carbon dioxide at night when ___6___ plants only do this ___7___ the day, and why it is so good at living in the desert. There will be less land for growing food in the future. Deserts are growing as Earth’s climate gets warmer. ___8___ food in deserts will be more and more important.
There are two ___9___ directions for further research. _____10_____ growing a desert plant to eat will be difficult, it isn’t impossible. One way is to use the genes (基因) from this plant and put _____11_____ into plants we eat, like beans or cereals.
The other direction is to grow this type of plant for fuel (燃料). _____12_____ the moment, people are asking why good land _____13_____ to grow plants for fuel and not for food. If we use desert land, we _____14_____ this problem in a way.
The world’s climate is changing and the population is still increasing, but one strange plant could be _____15_____ answer to our future food or energy needs.
1.A.worry B.worries C.worried D.to worry
2.A.helps B.help C.helping D.helped
3.A.least B.little C.less D.the least
4.A.to eat B.eating C.eat D.ate
5.A.what B.when C.that D.how
6.A.others B.other C.another D.the others
7.A.in B.at C.during D.on
8.A.Growing B.Grow C.To growing D.Grew
9.A.possible B.possibly C.impossible D.possibility
10.A.Because B.If C.When D.Although
11.A.they B.their C.them D.themselves
12.A.In B.On C.For D.At
13.A.uses B.is used C.is use D.be used
14.A.solved B.solve C.will solve D.are solving
15.A.a