What is your achivement, according to the text（）
A. The triumph of years of your own hard work
B. The triumph of years of your parents’ hard work
C. The triumph of years of your teachers’ hard work
D. To be a college student
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Among the following economies,_____ have been very active in initiating trade remedy investigations against China’s exports（）
A. The United States
B. The European Union
C. India
D. Japan
As far as high-tech products are concerned, China mainly exports___ in recent years. Together they make up about 85 percent of China’s high-tech product exports at present（）
A. computers and communication products
B. electronic products
C. aerospace products
D. biotechnology and material technology products
The major purpose of one country’s trade remedies is to protect its______（）
A. consumers’ interests
B. domestic industry
C. national security
D. export
The first step to process an analog signal digitally is to（）
A. encode it by using the binary coding scheme
B. quantize it in amplitude
C. sample it at discrete time instant
D. pass it through a D/A converte
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