[单项选择]

We know mosquitoes very well. Mosquitoes fly everywhere. They can be found almost all over the world, and there are more than 2,500 kinds of them.
No one likes the mosquito. But the mosquito may decide if she loves you. She Yes, she. The male mosquito doesn’t bite! Only the female mosquito bites because she needs blood to lay eggs. She is always looking for things or people she wants to bite. If she likes what she finds, she bites. But if she doesn’t like your blood, she will turn to someone else for more delicious blood. Next time a mosquito bites you, just remember you are chosen. You’re different from the others!
If the mosquito likes you, she lands on your body without letting you know. She bites you so quickly and quietly that you may not feel anything different. After she bites, you will have an itch (痒) on your body because she puts something from her mouth together with your blood. When the itch begins, she has flown away.
And the
A. continue biting you
B. turn to someone else for more delicious blood
C. lay eggs on your body
D. have a rest and lay eggs on a wall or a tree

[单项选择]

We know mosquitoes very well. Mosquitoes fly everywhere. They can be found almost all over the world, and there are more than 2,500 kinds of them.
No one likes the mosquito. But the mosquito may decide if she loves you. She Yes, she. The male mosquito doesn’t bite! Only the female mosquito bites because she needs blood to lay eggs. She is always looking for things or people she wants to bite. If she likes what she finds, she bites. But if she doesn’t like your blood, she will turn to someone else for more delicious blood. Next time a mosquito bites you, just remember you are chosen. You’re different from the others!
If the mosquito likes you, she lands on your body without letting you know. She bites you so quickly and quietly that you may not feel anything different. After she bites, you will have an itch (痒) on your body because she puts something from her mouth together with your blood. When the itch begins, she has flown away.
And the
A. the male mosquito doesn’t have the ability
B. she needs blood to lay eggs
C. female mosquitoes are stronger than male
D. male mosquitoes are more friendly to people

[单项选择]As people in rich countries know very well, eating too much food and burning too few calories is why a substantial number of us are overweight or obese. Now, however, a remarkable change in perspective has come from the discovery that obesity actually provides people with temporary protection from the harmful effects of fat.
The insight has come from re-examining the common assumption that fatness itself drives the development of metabolic syndrome, which is what causes so much of the actual damage. The syndrome comes with a mixture of life-threatening effects, with cardiovascular disease (diseases relating to the heart and blood vessels) and type 2 diabetes being among the most serious. In fact, it now seems that body fat may be a barrier that stops millions of Americans and fatty citizens elsewhere from going on to develop the syndrome. And the real damage is caused by the inflammatory effect of high levels of fat in the bloodstream. And ironically, it’s fat cells that protect u
A. lacking exercise.
B. absorbing fats.
C. keeping unhealthy diets.
D. burning calories.

[单项选择]As we know, if we want to keep our healthy and have a strong body, our eating habits are very important in our daily life. There are times when most of us would rather eat sweets and ice cream than meat and rice. Actually, sweets and ice cream are not bad for the stomach if we eat them at the end of a meal. If we eat them before a meal, they may take away our appetite. Meanwhile, it is important for us to eat our meal at the same time each day. When we feel hungry, it shows that our bodies need food. When we feel angry or excited, we may not want to eat. When we are worried, we may not want to eat, either. A long time ago, in England, some judges used to decide whether a man was telling the truth by giving him some dry bread. If the man could not swallow the bread, it was a sign that he wasn’t telling the truth. Although this seems very strange and rather foolish, it is indeed an excellent way of finding out the truth. A man who is worrying about something has difficulty in swallowing
A. we want to be healthy and strong
B. we want to enjoy our food
C. we want to eat more
D. we want to save time

[单项选择]As we know, if we want to keep our health and have a strong body, our eating habits are very important in our daily life. There are times when most of us would rather eat sweets and ice cream than meat and rice. Actually, sweets and ice cream are not bad for the stomach if we eat them at the end of a meal. If we eat them before a meal, they may take away our appetite. Meanwhile, it is important for us to eat our meal at the same time each day. When we feel hungry, it shows that our bodies need food. When we feel angry or excited, we may not want to eat. When we are worried, we may not want to eat, either. A long time ago, in England, some judges used to decide whether a man was telling the truth by giving him some dry bread. If the man could not swallow the bread, it was a sign that he wasn’t telling the truth. Although this seems very strange and rather foolish, it is indeed an excellent way of finding out the truth. A man who is worrying about something has difficulty in swallowing a
A. we want to be healthy and strong
B. we want to enjoy our food
C. we want to eat more
D. we want to save time