题目

据报道，国庆期间某旅游景点旅游人数高达168000人，数字168000用科学计数法表示为（ ）A. B. C. D. 答案：【答案】A【解析】科学记数法的表示形式为a×10n的形式，其中1≤|a|<10，n为整数．确定n的值是易错点，由于168000有6位，所以可以确定n=6-1=5．168000=1.68×105.故选A.任务型阅读。Many families prefer not having breakfast at home because of the morning hurry of getting ready for school and work. According to a survey, children can do better in school when they have breakfast each morning. But how can we go about providing breakfast for our kids if we can’t get our foot out of the door on time?Luckily, most schools have a breakfast programmer before school begins. We should take part in this programmer!You can get a piece of bread and an egg ready while helping your child with morning wash in the shower. Both will be ready before going to work and school.Eat on the run! Take a piece of bread and a piece of fruit to eat while walking or riding to school. Use milk boxes for on the run eating.Although it is almost time for camp and long vacations away from home, this does not dismiss (减少) the importance of breakfast in the mornings. You should always offer breakfast to your children ________ it helps them think faster, and keep a healthy lifestyle.Kids start with life by learning from their parents! Have breakfast and help your children keep the habit to have breakfast.1.完成句子Having breakfast every morning can help students ________ in school.2.完成句子Why don’t many families have breakfast at home?___________________________________________________________________________3.完成句子Why should parents have breakfast themselves? __________________________________________________________________________4.将文中横线处空缺的一个单词写在下面的答题线上___________________________5.将文中画线句子译成汉语。 _________________________________________________