春松果园有梨树460棵,苹果树比梨树多25%,果园里有苹果树多少棵?

题型:解答题

问题:

春松果园有梨树460棵,苹果树比梨树多25%,果园里有苹果树多少棵?

考点:百分数的计算,百分数的应用题
题型:解答题

仔细阅读第1-5题中一些学生所遇到的生活问题,然后从A-E的5个选项中,选出最合适的建议,

并将其标号填入题前括号内。

( )1. My parents don't let me go out with friends, I feel bored at home and I'm thinking about going

           out alone. Am I right for doing this?

(     )2. I like dancing. I want to join a dancing group in my school, but the teacher doesn't allow (允许)

            me to stay there.

(     )3. I have a big family, and my brothers and sisters always fight (打架) with each other. Sometimes

           I don't want to go home.

(     )4. My uncle and aunt want to go to America for jobs. They think they would get lots of money there.

           I want to stop them. What shall I do?

(     )5. When I got home, I was very surprised to find my mother reading my diary. I was too angry to

            say a word.

A. Your mother really did a wrong thing to you. Tell her about your feeling. If you often talk with her about

     your study or friends, maybe she won't do that again.

B. It is very important to have a happy family. In your free time you should often talk with your family to

     build a close relationship (关系). I think it will help you.

C. You should tell them that America is not as rich as they think. It has social problems, too. The gap (差距)

     between the rich and the poor is serious.

D. You can tell the teacher that you won't do anything wrong there. If he doesn't agree, you may join a

     dancing club after school.

E. Tell your parents that they should believe you. Let them know you've already understood lots of things

     and hope they'll give you more free time.

题型:解答题

An earthquake _______at  Dachaidan County in Qinghai province on the morning of April18.

A.happened

B.rocked

C.took place

D.appeared

题型:解答题

图形ERG起源自( )

A.神经节细胞
B.无长突细胞
C.光感受器
D.双极细胞
E.色素上皮

题型:解答题

关于孕妇用药,下列叙述错误的是()

A.抗甲状腺药如硫氧嘧啶可影响胎儿甲状腺功能,导致死胎等

B.孕妇应摄入尽可能多的维生素D和钙

C.对缺乏葡萄糖-6-磷酸脱氢酶者,临产时用硝基呋喃类药物可引起的溶血

D.氨基糖苷类药物可引起胎儿永久性耳聋及肾脏损害

E.受精后3周至3个月是药物致畸的敏感期

题型:解答题

混凝土的正常养护时间是()。

A.3~4周

B.2~4周

C.2~5周

D.2~5周

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