题目内容

We _______ the difficulty together, but why didn’t you tell me?

A. should face B. might face

C. could have faced D. must have faced

C

【解析】

试题分析：考查情态动词。 could have done意为“本可以做某事（而实际上没做）”故选C。句意：我们本可以一起面对困难，但你为什么不告诉我。

考点：考查情态动词及语境理解

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Look! It’s getting cloudy. I’m sure it _____.

A. rains B. is going to rain

C. is raining D. was raining

In spring, you may have seen white foam(泡沫) on a green tree or other plants. As a matter of fact, the foam is where young spittlebugs(吹沫虫) live. These insects are protected by the foam, and they usually don’t do much harm to the plants.

As we all know, in late summer, a mother spittlebug lays her eggs on the plant. The babies will hatch(孵化) in spring. After they come to the new world, they begin to eat juice from the plant. The babies eat more juice than their bodies need for food. The extra juice mixes with a special waste that the spittlebugs produce. When this fluid(液体) is released, it mixes with the air, forming bubbly foam.

What is so great about having a foam home? The space inside is so wet that it can keep the bugs’ soft bodies from drying out. And the foam tastes bad, so it keeps away most animals that would eat the bugs. Some birds will reach their heads through the foam to find the bugs. Wasps and ants might eat them, too. But most of the bugs stay safe inside the foam.

Once the bugs have grown into adults, they stop making foam. They leave their homes and jump from plant to plant in search of food. The adults look a little like tiny frogs. For this reason they are also called froghoppers.

If you see some foam on a plant, you might want to take a careful look inside. Gently push some of the foam aside with a small stick. Deep inside you may see a few insects eating plant juice. They might also be making more foam. Be sure to push the foam back after a moment to cover the insects and keep them safe. Soon the spittlebugs will grow up and leave their foam home. They will join the other insects in the grassland.

1.The eggs of spittlebugs_____.

A. are laid in late spring

B. have to pull through a winter before they hatch

C. are protected by mother spittlebugs all the time

D. will be eaten by ants

2.According to the passage, the white foam_____.

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B. protects the plant from being harmed

C. is where a mother spittlebug is living

D. is plant juice mixed with spittlebugs’ waste and the air

3.Which of the following is a function of a foam home?

A. Protecting the bugs from being eaten.

B. Helping the bugs find food.

C. Providing enough drinking water for the bugs.

D. Keeping the plant from drying out.

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A. continue to make foam

B. take on a different look

C. begin to eat tiny frogs

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In this earthquake, it was not possible for officials to determine how many people had been killed and injured. It was reported that the headquarters of the United Nations mission was seriously damaged and many employees were missing. Part of the national palace had fallen to the ground. A hospital was totally ruined in Pétionville, which is home to many diplomats（外交官） and wealthy Haitians. A New York reporter said that a wall at the front of the Hotel Oloffson had fallen, killing a passer-by. A number of nearby buildings was badly damaged, trapping people. People were screaming, calling for help from every corner.

Haiti sits on a large fault between the much larger North American plate to the north and the Caribbean plate to the south. The earthquake on Tuesday happened when what appears to be part of the southern fault zone broke. With many poor people living in tin-roof shacks(窝棚) and with many of the buildings in Port-au-Prince and elsewhere in the country of questionable quality, it was expected that the quake caused major damage to buildings and great loss of life.

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A. The headquarters of the UN mission was totally destroyed.

B. Some of the national palace had fallen to the ground.

C. A hospital was partly ruined in Pétionville.

D. All the walls of the Hotel Oloffson had fallen.

2.Which of the following statements is TRUE according to the text?

A. All the hospitals in Haiti were destroyed in the earthquake.

B. The earthquake was the worst in Haiti in less than two centuries.

C. After dark the city fell into darkness because of the earthquake.

D. Communication, electricity and transportation were all affected.

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D. The role of technology in improving energy efficiency.

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