试题与答案

1998年,科学家在南极洲发现大量的企鹅死亡,经解剖检验发现其体内含有超量的氢化

题型:选择题

题目:

1998年,科学家在南极洲发现大量的企鹅死亡,经解剖检验发现其体内含有超量的氢化物和其它大量有毒物质,下列不是造成此后果的原因是(  )

A.冶金工业的废水排放

B.生活污水的大量排放

C.化肥、农药的大量使用

D.全球天气变暖

答案:

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环境中影响生物生活的各种因素叫环境因素,分为非生物因素和生物因素.非生物因素包括:光、温度、水、空气、土壤等.生物因素是指环境中影响某种生物个体生活的其他所生物,包括同种和不同种的生物个体.光决定...

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题型:阅读理解

When parents celebrate an anniversary, it’s not just a celebration for the parents but for the entire family. There are many types of wedding anniversary gifts. These gifts reflect a lot of thought and effort. Choosing a gift for parents that involves the whole family makes the event more special for them.

Budget

小题1: Parents usually know the financial conditions of their children. Overspending can make parents uncomfortable and worried.

Considerations

An anniversary gift for parents should have two characteristics: customized (订制的), and something they can use together. 小题2: The gift is celebrating their time spent together, so it has to be something they both will enjoy.

Family celebration

One of the biggest achievements of parents is raising children. So some children decide to buy an anniversary gift that involves the entire family such as a special family vacation.  小题3:

A party as a gift

小题4: If it is a milestone anniversary such as a 25th or 50th wedding anniversary, some children choose to hold a party. The guest list includes all family members who have been close to them over the years.

Family-themed gifts

One choice is a family photo taken by a professional or even a painting created by a professional artist using a family photo as the image to be painted.  小题5: If the parents don’t have a DVD player, the player can be included as part of the gift.

A.Sometimes gifts don’t have to be objects bought with money.

B.Brothers and sisters can share the cost of the party.

C.It is not a good idea to choose a gift that only looks good.

D.So the gift should be one selected specially for parents.E. Children shouldn’t spend too much money on the gift.

F. This way, the family can be together to celebrate the anniversary.

G. Another nice gift is making a DVD with old videotapes of family events.

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