题干

一个物体从A点运动到B点,下列结论正确的是

A:物体的位移一定等于路程

B:物体的位移与路程的方向相同,都从A指向B

C:物体的位移的大小总是小于或等于它的路程

D:物体的位移是直线,而路程是曲线

上一题 下一题 0.0难度 选择题 更新时间:2019-12-03 10:00:58

答案(点此获取答案解析)

C

同类题3

短文填空。用下面方框中单词的适当形式填入短文空格内,使短文 意思正确、通顺。

back bad        express         feel     it     loud  luck     simple     sweet      thank      two    warm

Once upon a time, a young man came across a spring(泉水) of clear water while crossing the desert. The water was very sweet, and he filled his leather container(皮革容器) so that he could bring some____ to his teacher. After a four-day journey, he presented the water to his teacher.

The old man took a deep drink, smiled____ and thanked his

student very much for the sweet water. The young man returned to his village with a happy heart. After a while, the teacher let a____ student taste the water. He spat (吐) it out, saying it was terrible. It was clear that the water had become no longer fresh sweet because of the old leather container. The student questioned his teacher, “Master, the water tasted strange. Why did you still like it?” The teacher replied, “You____ tasted the water while I tasted the gift. The water was the container for an act of love and kindness and nothing could be ____ .”

After reading the story, we can understand that when we receive a chocolate as a gift from a child, we get more than the chocolate

____ . What we should do properly is to express ____ naturally to him or her because we love the idea within the gift.

Gratitude (感谢) doesn’t always come  naturally.____ , most children and many grown-ups like only the thing given rather than the ____ shown in it. We should remind ourselves and teach our children about the beauty of feelings and____ of gratitude. After all, gifts from the heart are really gifts of the heart.