人类对碳循环产生的影响。

题型:问答题 简答题

问题:

人类对碳循环产生的影响。

考点:生态学农业生态学农业生态学题库
题型:问答题 简答题

(1)温室效应加剧 (2)天气变暖(3)沿海生态系统遭到破坏 (4)海平面升高(5)过度使用矿物燃料

A.1-2-3-4-5

B.5-1-2-4-3

C.3-1-2-4-5

D.4-3-1-2-5

题型:问答题 简答题

M公司5月3日购入甲公司债券20000元,购入A公司股票115000元,作为短期投资。6月30日,所购入甲公司债券市价为20100元,所购入A公司股票市价为105000元。则 M公司中期期末按投资总体计提跌价准备数应为( )元。

A.10000

B.10100

C.-100

D.9900

题型:问答题 简答题

Dear David,

I’m glad you would like to share your feelings with me.It’s hardly surprising that your feelings of not being “grown up” have come on strongly at this point in your life, just before you’re about to become a father.You are asking: Will I make a good father? How will I cope? I think nearly every man must have the occasional feelings of self-doubt and inadequacy before the birth.

It’s difficult, honestly, to feel grown-up unless you have something less grown-up to relate to.The boss with a hen-pecking wife may feel like a seven-year-old when he’s at home.But as he walks through the office door, and knows he’s going to be surrounded by staff for advice, he grows into a fully mature man.And I think it’s a mistake to imagine that we all feel, as we age, a kind of progress of states, from the baby to the adult.Most people feel, on Tuesday, about three years old, and on a Wednesday, around 80.

There’s a common remark that“all men are little boys”, but it’s not true.It’s more true that men often behave like little boys.But nearly all people, at some moments in their lives, are able to be greatly mature..Once your baby arrives, you’ll soon feel less childlike.When your child tries to put its fingers into the electric plug, the adult in you will rise up to prevent it.

Comfort yourself, David, with two truths.One is that your friends laugh when they talk about this subject because they, like you, feel frightened.And remember that people who haven’t grown up don’t go around talking about the fact.

Good luck to you and your little one.

Sincerely Yours,

Miss Advice

小题1:According to the passage, Miss Advice thinks David’s self-doubt ________.

A.valuable

B.unusual

C.natural

D.bearable小题2:From Paragraph 2, we can learn that people’s sense of maturity ________.

A.will increase with age

B.is obviously seen at home

C.changes with different situations

D.becomes stronger with familiar people小题3:Miss Advice holds that ________.

A.all men behave like little boys

B.people tend to laugh at the subject

C.men with a baby feel more grown-up

D.people enjoy talking about their immaturity小题4:Miss Advice wrote the letter to ________.

A.offer suggestions to a future father

B.teach people how to grow up

C.encourage people to be responsible

D.solve problems of the less grown-up D

题型:问答题 简答题

拔伸法、抖法属于运动关节类手法。

题型:问答题 简答题

船舶预防检修的目的是()

①维持船员正常航行

②提高船员技术水平

③防止设备损坏,延长设备使用寿命

④提高船员的经济收益

A.①②③

B.①③+④

C.②③④

D.①②③④

更多题库