下列属于农业技术政策效果评价指标的是()A、科学决策率 B、农民得益率 C、优质产品率D

题型:单项选择题

问题:

下列属于农业技术政策效果评价指标的是()

A、科学决策率

B、农民得益率

C、优质产品率

D、科技成果转化率

考点:农业技术经济学农业技术经济学题库
题型:单项选择题

阅读理解。

Dear Sally,

    Thanks for the photo of your family. Here is a photo of my bedroom.

    Look at the photo. A bed, a desk, a chair, a bookcase and a computer are in my bedroom. My bed is 

 near the window. The desk is beside the bed and it's orange. The chair is near the deak. The bookcase is

 behind  the desk and it's black. An English dictionary and a Chinese dictionary are on the bookcase. My

 math, English and Chinese books and my computer are on the desk. My pencil case is in the desk. My

 pens and rulers are in the pencil case. My backpack is on the chair. My brother's white baseball and my

 sister's  computer game are under my bed, but you can't see the baseball in the photo.

                                                                                                                                  Yours

                                                                                                                                 Tommy   

1. It is a photo of _____ bedroom.            

    A. Sally's                              

    B. Tommy's

    C. Tommy's brother's                    

    D. Tommy's sister's

2. The desk is _____ .

    A. behind the bed                      

    B. not in the room

    C. near the window                      

    D. beside the bed             

3. You can't see_____ in the photo.

    A. the math book                      

    B. the baseball

    C. the English dictionary                  

    D. the computer

4. The bookcase in the photo is _____ .

     A. black              

     B. white          

     C. orange        

    D. blue

5. Which is NOT true (正确的)?

    A. Two dictionaries are on the bookcase.  

    B. The pens are in the pencil case.

    C. The backpack is under the chair.      

    D. The baseball is Tommy's brother's

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A.阻断5-HT受体

B.加强胃黏膜抵抗力,保护胃黏膜

C.阻断胃壁细胞的H受体

D.抗胃泌素药

E.抑制H-K-ATP酶活性

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A.与排水条件有关

B.与基础宽度有关

C.与试验时的剪切速率无关

D.与土中孔隙水压力是否变化无关

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对于2H2(g)+O2(g)=2H2O(g)△H=-483.6 kJ·mol-1热化学方程式的下列说法正确的是(  )

A.氢气与氧气反应放出483.6kJ 热量

B.氢气与氧气反应生成1mol 水蒸气时放出483.6kJ 热量

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