问题 单项选择题

“信号效应”( )。

A.是央行在外汇市场上通过查询汇率变化情况、发表声明等,影响汇率变化,以达到干预效果的手段

B.是不改变现有货币政策的外汇市场干预手段

C.有时会失效

D.以上都正确

答案

参考答案:D

解析: 信号效应是利用央行在外汇市场上的影响力,通过声明等手段表明政府的态度,规范交易者的行为,改变预期,从而起到干预市场的效果。但其效力取决于市场反应程度,预期调整的时滞等。

单项选择题

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.

18().

A.since 

B.after 

C.while 

D.until

问答题 简答题