政府采取提高税率来增加财政收入影响汇率的渠道有（）。
A.税率提高会降低个人的可支配收入，使个人消费减少
B.税率提高会降低个人的可支配收入，使个人需求减少
C.税率提高会增加企业的投资成本，使企业投资消费减少
D.税率提高会增加企业的投资成本，使企业投资需求减少
参考答案：A, D
解析：政府如果采取提高税率来增加财政收入，则会通过两种渠道影响汇率：一方面，税率提高会降低个人的可支配收入，使个人消费减少；另一方面，税率提高会增加企业的投资成本，使企业投资需求减少，进而导致进口减少，出口增加，从而导致汇率上升。
We have been trying all measures to reduce pollution in the past few years. Now people can enjoy a fresh environment everywhere. The following two graphs are adopted from the column of “City Information” on the webpage of Beijing Review. Graph 1: Olympic Cities Air Quality Report
Graph 2: Chinese National Standard
**API stands for Air Pollution Index(指数). **Particulate matter (PM10) is a major component of air pollution that threatens both our health and our environment. It consists of very small liquid and solid particles floating in the air. **Sulfur dioxide(SO2) acts as an acid．Inhalation(吸入) results in labored breathing, coughing, or a sore throat and may cause permanent lung damage. 小题1:According to Graph 1, which of the following cities has the worst air pollution?
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