关税同盟的经济影响,通常被分为()效应和()效应两个方面。

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问题:

关税同盟的经济影响,通常被分为()效应和()效应两个方面。

考点:国际贸易原理国际贸易原理题库
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(5分)已知f(x)是定义域为R的偶函数,当x≥0时,f(x)=x2﹣4x,那么,不等式f(x+2)<5的解集是   

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下面不属于PowerDesigner 的Data Architect模块作用的是()。

A.运用E-R图,建立概念数据模型

B.针对特定的DBMS特点,生成相应的物理数据模型(PDM)

C.对已有数据库和应用的逆向工程

D.生成实体联系模型图(E-R图)

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下列有关方位标说法正确的是()

A、方位标分为东方位标、南方位标、西方位标和北方位标4种

B、天津港的两座方位标均为东方位标

C、东方位标的顶标为上下两个黑色圆锥,锥底相对

D、北方位标标身颜色为上黄下黑

E、西方位标的发光颜色为白光

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I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that.

It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .

They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.

The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop".

Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) . She had only one small, flat bag with a few candies—fiftycent candies! I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.

"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "

I never felt so (20) as I did that day.

19()

A.made 

B.searched 

C.bought 

D.fetched

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