借助于内部言语或表象在头脑中进行认知活动的心智操作是（）。 A.智力技能 B.模式识

We know health and happiness are important in everyone’s life. Here are some ways to make them easy.

Eat a balanced diet(平衡饮食). Eat a lot of fruit and vegetables, some grains(谷物) and a little meat.

Exercise twice or three times a week.

Get enough sleep. It is best to get eight hours’ sleep a day.

Keep yourself busy. This is good because it stops you from having bad habits. To keep yourself busy, you can walk around the house, spend time with your pets, do a sport, or do a hobby you enjoy.

Go out and make friends. Spend time and have fun with them. Talk with them, but you must be sure not to talk about anything bad. You should stay with the people who are healthy and happy themselves.

小题1:How often should you exercise if you want to get health and happiness?

A．Every day .

B．Twice a day

C．Twice or three times a week .

D．Three times a month.小题2:How many hours do you need to sleep every day?

A．Seven.

B．Eight.

C．Nine.

D．Ten小题3:The underlined word “it”referes to (指的是)“     ”.

eating a balanced diet.  B.exercising more  C. keeping yourself busy  D.making friends

小题4:Whice of the following is NOT true?

A．We should eat a lot of meat to keep healthy.

B．We should exercise to keep healthy.

C．The people whom we make friends with must be healthy and happy themselves.

D．We can spend our free time doing a sport or doing hobby we enjoy.小题5:Which is the best title(标题) for the passage?

A．Eating Habit

B．Healthy Lifestyle

C．Making friends

D．Ways to Have Health and Happines

判断。（对的打“√”，错的打“×”）

（1）质数既可能是奇数，也可能是偶数。[ ]

（2）假分数的分子大于分母。[ ]

（3）把单位“1”分成若干份，表示这样1份或几份的数，叫做分数。[ ]

（4）用2个棱长3cm的正方体拼一个长方体，长方体表面积是90cm²。[ ]

（5）通分就是把几个分数的分母变成相同的。[ ]

道义劝告

《煤矿安全规程》对矿灯的管理有什么规定？