题目内容
一场大雪后,人们会感到外面万籁俱静,究其原因,你认为正确的是:A.大雪后,行驶的车辆减少,噪声减小; | B.大雪蓬松多孔,对噪声有吸收作用; |
C.大雪后,大地银装素裹,噪声被反射; | D.大雪后气温较低,噪声传播速度变慢; |
B解析:
略
略
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A boy was sent by his parents to a boarding school(寄宿学校). Before being sent away, this boy was the 36 student in his class. He was at the top in every competition. But the boy changed after 37 home and attending the boarding school. His grades started dropping. He 38 being in a group. He was lonely all the time because he felt no one loved him.
His 39 started worrying about the boy. But they did not know 40 was wrong with him. So his dad 41 to travel to the boarding school and 42 with him. They sat on the bank of the lake near the school. The father started 43 him casual(随便的) questions about his classes, teachers and sports. 44 some time his dad said, “Do you know, son, why I am here today?”
The boy answered back, “To check my 45 ?”
“No, no,” his dad replied, “I am here to tell you that you are the most important person for 46 . I want to see you 47 . I don’t care about grades. I care about you. I care about your happiness. YOU ARE MY LIFE.”
These words caused the boy’s eyes to fill with tears. He hugged(拥抱) his dad. They didn’t say
48 to each other for a long time.
Now the boy had everything he wanted. He knew there was someone on this earth who cared for him 49 . And today this young man is in college at the 50 of his class and no one has ever seen him sad!
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---________do your improve your English ?
---I improve my English by___ English movies?
---I improve my English by___ English movies?
A.What; watching | B.What; watch |
C.How; watching | D.How; watch |
---Could I borrow your dictionary?
---___________, but you have to return it tomorrow.
---___________, but you have to return it tomorrow.
A.I’m sorry | B.I’m not sure |
C.No problem | D.I hope so |
如图所示,在演示声音是由物体振动引起的实验中,将正在发声的音叉紧靠悬线下的轻质小球,小球被多次弹开。在此实驻中小球的作用是
A.使音叉振动时间延长 |
B.使音叉振动尽快停下求 |
C.把音叉的微小振动放大,便于观察 |
D.使声波多次反射形成回声 |
一场大雪后,人们会感到外面万籁俱静,究其原因,你认为正确的是:
A.大雪后,行驶的车辆减少,噪声减小; | B.大雪蓬松多孔,对噪声有吸收作用; |
C.大雪后,大地银装素裹,噪声被反射; | D.大雪后气温较低,噪声传播速度变慢; |
—Congratulations! You got the first place in the drawing competition. —_______
A.Thank you! | B.You’re right. | C.Not at all. | D.You’re so nice. |