[填空题]The crisis met by Japanese chemical groups is caused by, one of the reasons
A. A．over capacity
B．high prices
C．high cost

[单项选择]The crisis met by Japanese chemical groups is caused by ______.
A. over capacity
B. high prices
C. high cost

[单项选择]Passage TwoWhat will drinking too much coffee cause in the long-term
A. Sleeping problems.
B. Stomach problems.
C. Bad emotions.
D. High blood pressure.

[单项选择]What seems to be the most serious consequence caused by the fire

What seems to be the most serious consequence caused by the fire
A．Loss of many costumes. B．Frightened children.
C．Damage to historical subjects. D．Large volumes of smoke.
A. Loss of many costumes.
B. Frightened children.
C. Damage to historical subjects.
D. Large volumes of smoke.

[单项选择]

There are three trends most widely blamed for causing environmental problems-population growth, urbanization and industrialization.
The world’s population is increasing by around 85 million every year—the equivalent of, say, another Mexico. The pace of growth has come down a little since the 1960s, but according to United Nations projections it remains fast enough to push the world’s population above 9 billion, from around 6 billion today. Most of that growth will be in developing countries. The population explosion of the past few decades has been due to a happy trend: a dramatic rise in life expectancy (平均寿命), thanks in part to the spread of modern medicines and better sanitation. But, say environmentalists, the world’s supply of natural resources is finite, and in some regions particular resources are already scarce (water in the Middle East, certain species of fish in the North Atlantic). How can these resources be made to go round an extra 3 b
A. shortage of world’s supply of natural resources
B. a happy trend of rise in life expectancy
C. emergence of many new cities
D. spread of modern medicines

[单项选择]We are convinced （　） the righteousness of our cause.
A. of
B. on
C. over
D. at

[填空题]There is enough evidence the soot is the main cause of lung cancer.

[填空题]S7. According to the passage, an explosion is cause by ____________________.

[单项选择]Having your smartphone or computer ______ may cause a lot of trouble to you.
A. damaged
B. damage
C. damaging
D. to damage

[单项选择]Even those most______infections of all, those caused by viruses-formerly dismissed as untreatable because viruses disappeared into the inner labyrinths of the living cells, merging into the very genomes-are now becoming______to early treatments.
A. refractory… amenable
B. malignant … indifferent
C. problematic… immune
D. benign… resistant
E. mysterious … inaccessible

[单项选择]

Animals are divided into many groups. Some groups of animals include the, insects, fish, amphibians, reptiles, birds and mammals.
Insects are small animals that have six (21) legs and three body parts (the (22) , the thorax, and the abdomen). Many insects can fly; flying insects have one or two (23) of wings. Some flying insects include butterflies, moths, dragonflies, flies, and mosquitoes. Some (24) insects include springtails, fleas, and lice.
Fish are swimming animals that have scales and fins. Fish (25) oxygen that is dissolved in the water using gills. Most fish have bony skeletons, but some, (26) sharks and rays, have only cartilage.
Amphibians are animals that (27) their life in the water, breathing with gills. As they grow, they breathe air using lungs, and many (28) the land. Some amphibians include frogs, toads, salamanders, and newts.
Reptiles are cold-blooded animals (29)
A. weak
B. strong
C. huge
D. big