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2023年初级学期期末统一考试英语机考
By 2050, the world.s population is projected to rise to 9 billion from just over 7 billion currently. Proponents of genetically modified foods say they are safe and can boost harvests even 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. However, 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 modestly reduced losses from drought. Moreover, he said conventional crossbreeding or cross-pollinating of different varieties for desirable traits, along with improved farming, is getting better results, boosting yields at a lower cost. In fact, much of the food Americans eat has been genetically modified by those conventional methods over thousands of years, before genetic engineering came into practice. “Overall, genetic engineering does not get nearly the bang for the buck as conventional breeding and improve agricultural practices,” Gurian-Sherman said. His organization advises caution on GM foods and favors labeling, though it acknowledges the risks of genetic engineering have sometimes been exaggerated. Andrea Roberto Sonnino, chief of research at the U.N. food agency, said total food production at present is enough to feed the entire global population. The problem is uneven distribution, leaving 870 million suffering from hunger. He said world food production will need to increase by 60 percent to meet the demands of 9 billion by 2050. This must be achieved by increasing yields, he added, because there is little room to expand cultivated land used for agriculture. Genetically modified foods, in some instances, can help if the individual product has been assessed as safe, he said. “It.s an opportunity that we cannot just miss.”
1-1、Para. 1 mentions that the risks of genetic engineering are not that horrible.
A、√
B、×
Can trees talk? Yes, but not in words. Scientists have reason to believe that trees do communicate (交际) with each other. Not long ago, researchers learned some surprising things. First a willow tree attacked in the woods by caterpillars (毛虫) changed the chemistry of its leaves and made them taste so terrible that they got tired of the leaves and stopped eating them. Then even more astonishing, the tree sent out a special smell—a signal (信号) causing its neighbors to change the chemistry of their own leaves and make them less tasty. Communication, of course, doesn.t need to be in words. We can talk to each other by smiling, raising our shoulders and moving our hands. We know that birds and animals use a whole vocabulary of songs, sounds, and movements. Bees dance their signals, flying in certain patterns that tell other bees where to find nectar (花蜜) for honey. So why shouldn.t trees have ways of sending message?
1-1、It can be concluded from the passage that caterpillars do not feed on leaves that ______.
A、are lying on the ground
B、have an unpleasant taste
C、bees don’t like
D、have an unfamiliar shape
We consider it no use ________ these figures by heart.
A、learning
B、to learn
C、learn
I accepted my eyebrow surgery, the ________ and patient doctor was really helpful during my recovery period.
A、greedy
B、graceful
C、gracious
The customer ________ to the storekeeper about the poor quality of the refrigerator.
A、criticized
B、complained
C、explained
No one thought that John.s proposal was worth ________.
A、considering
B、being considered
C、to be considered
The new system of taxation will take ________ next year.
A、effect
B、efficiency
C、affection
The faint sound is ________ undetectable to the human ear.
A、rigorously
B、virtually
C、strictly
I walked as fast as I could, but I couldn.t __________ him.
A、catch hold of
B、catch out
C、catch up with
The first thing ______ you should do is to observe the object carefully.
A、it
B、that
C、which
Neither of the young men who had applied for a position in the company ________.
A、was accepted
B、were accepted
C、have accepted
I.ve made ________ mistakes than you have.
A、many
B、more
C、a lot of
You ________ afraid of any difficulties. Be bold and overcome them.
A、need not to be
B、need not be
C、don’t need
I arrived ______ Beijing ______ 10 o.clock ______ July 8.
A、at…in…at
B、to…on…at
C、in…at…on
Many houses are reported ________ in the storm.
A、to be destroyed
B、to have destroyed
C、to have been destroyed
1-1、Para. 1 mentions that the risks of genetic engineering are not that horrible.
A、√
B、×
Can trees talk? Yes, but not in words. Scientists have reason to believe that trees do communicate (交际) with each other. Not long ago, researchers learned some surprising things. First a willow tree attacked in the woods by caterpillars (毛虫) changed the chemistry of its leaves and made them taste so terrible that they got tired of the leaves and stopped eating them. Then even more astonishing, the tree sent out a special smell—a signal (信号) causing its neighbors to change the chemistry of their own leaves and make them less tasty. Communication, of course, doesn.t need to be in words. We can talk to each other by smiling, raising our shoulders and moving our hands. We know that birds and animals use a whole vocabulary of songs, sounds, and movements. Bees dance their signals, flying in certain patterns that tell other bees where to find nectar (花蜜) for honey. So why shouldn.t trees have ways of sending message?
1-1、It can be concluded from the passage that caterpillars do not feed on leaves that ______.
A、are lying on the ground
B、have an unpleasant taste
C、bees don’t like
D、have an unfamiliar shape
We consider it no use ________ these figures by heart.
A、learning
B、to learn
C、learn
I accepted my eyebrow surgery, the ________ and patient doctor was really helpful during my recovery period.
A、greedy
B、graceful
C、gracious
The customer ________ to the storekeeper about the poor quality of the refrigerator.
A、criticized
B、complained
C、explained
No one thought that John.s proposal was worth ________.
A、considering
B、being considered
C、to be considered
The new system of taxation will take ________ next year.
A、effect
B、efficiency
C、affection
The faint sound is ________ undetectable to the human ear.
A、rigorously
B、virtually
C、strictly
I walked as fast as I could, but I couldn.t __________ him.
A、catch hold of
B、catch out
C、catch up with
The first thing ______ you should do is to observe the object carefully.
A、it
B、that
C、which
Neither of the young men who had applied for a position in the company ________.
A、was accepted
B、were accepted
C、have accepted
I.ve made ________ mistakes than you have.
A、many
B、more
C、a lot of
You ________ afraid of any difficulties. Be bold and overcome them.
A、need not to be
B、need not be
C、don’t need
I arrived ______ Beijing ______ 10 o.clock ______ July 8.
A、at…in…at
B、to…on…at
C、in…at…on
Many houses are reported ________ in the storm.
A、to be destroyed
B、to have destroyed
C、to have been destroyed