with hard work. pick up. declare war on. company. condemn1. Kitty a lot of Spanish by playing with the native boys and girls.2. Some of the president's advisers feared Hitler might theUnited States.3. 题目和参考答案——青夏教育精英家教网—

题目内容

with hard work， pick up， declare war on， company， condemn

1. Kitty a lot of Spanish by playing with the native boys and girls.

2. Some of the president's advisers feared Hitler might theUnited States.

3. We are now moving to the point when lack of computer knowledge will many people to a life of low-skill and low-paid labour.

4. Sorry,I didn't realize you had in your house with you.

5. Only can you expect to get a pay rise.

1. picked up 2. declare war on 3. condemn

4. company 5. with hard work

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If you’ve ever seen the way dog people interacted with their pets,it comes as no surprise that there’s some germ-exchanging going on there. A new study indicates that dog ownership specifically may be one of the biggest single contributors to what kinds of microbes living on your skin.

A team of researchers led by Se Jin Song at the University of Colorado,Boulder,took swabs (化验标本) of the tongues,palms,forehead and faeces (排泄物) of members of 60 family households. Some of the families had children or household pets and some did not;dogs were the only pets swabbed.

Researchers then analyzed the DNA of the bacteria they found to determine how diverse the bacteria populations were. Not surprisingly,family members who lived together had more bacteria in common than members of separate households. Bacteria on the skin were especially similar within households,probably because we pass microbes through the air,through direct contact,and via the surfaces we touch.

The most surprising finding,however,was the large bacteria contribution Fidonad made. The skin bacteria of dog owners from different households were almost as similar as if they’d cohabited without a dog. Put another way,you and a friend across town who both own dogs share a skin ecosystem as alike as a married couple does.

The reason for this appears to be that dogs harbor some kinds of bacteria that are rare on human skin. One in particular,a family of bacteria called Methylophilaceae,was abundant in the mouths of dogs sampled as well as the skin of their owners—indicating “a common occurrence of oral-skin transfer between dogs and their owners”，according to the results published in the journal Life.

( ) 5. From the study,we know that .

A. some kinds of bacteria live on our skin because of dog ownership

B. nobody finds it surprising that there should be some germ-exchanging between dogs and their owners

C. only dog ownership contributes to the sort of microbes that live on our skin

D. there would most probably be no microbe on our skin if it were not for dogs

( ) 6. The research took the following factors into consideration EXCEPT .

A. varieties of swabs from members of 60 family households

B. families with children or household pets

C. families without children or household pets

D. dogs being the only pets in the households

( ) 7. Why did researchers analyze the DNA of the bacte ria they found?

A. To search for the way microbes pass from one member of a family to another.

B. To find out the exact number of the bacteria living on human skin and dog skin.

C. To decide whether the bacteria were of the same kind or not.

D. To prove that family members who lived together had the same bacteria as the members of separate households.

( ) 8. What does this passage mainly tell us?

A. It is unsafe to keep dogs because of microbes.

B. How many kinds of bacteria live on people’s skin because of dog ownership.

C. Dog ownership affects the kinds of microbes living on people’s skin.

D. What are the similarities between people who keep dogs and those who don’t.

3. They took the injured straight to the hospital. Otherwise some of them might die.

3. 要是这台机器情况良好，我们上次就将它用于实验了。

If the machine were in good conditions,

7. The guests were (震惊) by the boy's foul language.

4. This boy was (scold) for what he had,done in the class.

1. A recent report stated that the number of Spanish speakers in theUSwould be higher than the number of English speakers by year 2090.

5. There have been a few (不同意见) between the two parties.

10. I say it is criminal,and we each have an o to stop it.

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