Unit 4 Astronomy- the science of the stars课时作业

Using language

Ⅰ.单句语法填空

　　1．As a child without parents, Jerry was_adopted(adopt) by a rich couple when he was five.

　　2．Recently our school has carried out a program aimed(aim) at making our campus a safe place to stay on.

　　3．In the United States, employees typically(typical) work five days a week for eight hours each day.

　　4．The result shows that the effect of the opening of the laboratory is evidently(evidence) improved.

　　5．She was the director's faithful(faith) assistant in whom he could have absolute confidence.

　　6．A great deal of money has_been_spent(spend) in saving the lives of the trapped miners.

　　7．We have reached an agreement that the last one to_arrive(arrive) should pay the meal.

　　8．The rain was very heavy and consequently(consequent) the land was flooded.

　　9．Please take all your personal possessions(possess) with you when leaving the bus.

　　10．Scientists are convinced(convince) of the positive effect of laughter on physical and mental health.

Ⅱ.阅读理解

　　Rock climbing is not just for grown­ups. Your children can also enjoy this fun­filled activity as well as getting its advantages. Aside from its heart­health benefit, it is also known to increase their self­confidence and esteem (尊重). While it may not be an impromptu (即兴的) activity like running or biking, there are many climbing walls that are now available, especially with the development of fitness centers and camps.

The great thing about having your kids join these activities is that it follows up on their natural quality. As you know, children are natural climbers. You can see them