下列有关生态效率的说法错误的是( )A.在能量流动过程中,能量的利用效率就叫生态效率B.生态效率即能量转化效率C.生态效率是一种比率D.生态效率就是消费者同化效率

下列有关生态效率的说法错误的是( )

A.在能量流动过程中,能量的利用效率就叫生态效率

B.生态效率即能量转化效率

C.生态效率是一种比率

D.生态效率就是消费者同化效率


相关考题:

请填写(54)处的最佳答案

围成关节腔的结构是( )

The box of bricks hit the man because______.A. the box of bricks was heavier than himB. the box of bricks was lighter than himC. the box of bricks came down too fastD. the man was too careless

The reason _______he explained is not I expected.A. for, thatB. why, thatC. that, whatD. what, that

肾囊封闭时药物注入 ( )A.肾筋膜B.脂肪囊C.纤维囊D.肾筋膜后层的深面E.肾筋膜前层与壁腹膜之间

O2和CO2进出细胞膜是通过( )A.单纯扩散B.易化扩散C.主动转运D.人胞作用E.出胞作用

膜的脂质中,含量最多的是( )A.磷脂B.胆固醇C.鞘脂类D.甘油一酯E.脂肪

阻塞性或肝细胞性黄疸 ( )

为什么说艺术是一种特殊的意识形态?

Passage ThreeMy husband and children feel very happy to live here. They can't see that we live on a dirty street in a dirty house among people who aren't good. They can't see that our neighbors have to make happiness out of all this dirt. I decided that my children must get out of this. The money that we've saved isn't nearly enough.The McGaritys have money but they are so proud. They look down upon the poor The McGarity girl just yesterday stood out there in the street eating from a bag of candy while a ring of hungry children watched her. I saw those children looking at her and crying in their hearts; and when she couldn't eat any more she threw the rest down the sewer (下水道). Why? Is it only because they have money? There is more to happiness than money in the world, isn't there?Miss Jackson who teaches at the Settlement House isn't rich, but she knows things. She understands people. Her eyes look straight into yours when she talks with you. She can read your mind. I'd like to see the children will be like Miss Jackson when they grow up.44. This passage suggests that the writer______.A. is easy to get along withB. is never pleased with her neighborsC. is unhappy with the life they are livingD. is good at observing and understanding people

请说明这段话中所用比喻的喻义。