题干

下列有关叶绿体中色素和酶的叙述,正确的是(    )

A:光合作用所需的各种色素都分布在类囊体膜上

B:纸层析法得到的色素带,位于最上层的是叶黄素

C:光合作用所需的各种酶都分布在叶绿体基质中

D:暗反应需要酶催化,光反应不需要酶的参与

上一题 下一题 0.0难度 选择题 更新时间:2014-08-11 05:45:35

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A

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Have you ever taken photos by using mobile phones with selfie sticks(自拍杆)? ____ 


However, a pair of US artists from New Mexico, Arie Snee and Justin Crowe believe they have invented a better one and they call it “selfie arm”.

____ It makes those people in the pictures seem to be holding hands

with a loved one.

The pair say it offers a far better experience than using a straight stick. The selfie arm makes people feel they are not alone when they take photos.

____They think their invention solves the main problem that the selfie stick has — people look alone while they are taking pictures of themselves with great interests. The product, at present, just an art project and a model conveniently provides you a welcoming arm.____The pair say they are fascinated by these new ideas.

The “selfie arm” is made of fiberglass. ____ The project that they work on shows the growing selfie stick

Phenomenon (现象) directly and the increasing need for narcissism (自恋) and Internet agreement.

A.It is lightweight and  easy-taking. 

B.Thousands of “selfie arms” have been made.

C.It seems that they are together with their friends.

D.For better or worse, they have taken the world by storm.

E.This new invention is a small, useful and cleverly-designed tool.

F.And better yet in the future, it'll talk in a friendly way and never get angry or upset.