Good parents don’t show any fears and worries themselves and always try to protect their children against any potential risks.
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Passage One Questions 26 to 28 are based on the passage you have just heard.
A. Use of copper conductors.
B. Use of plastic insulator (绝缘体).
C. Use of silicon (硅) semiconductors.
D. Elimination of chemicals.
我国的记账式国债是从1994年开始发行的一个上市券种。它是由财政部通过纸面方式发行的，并可以上市交易的债券。( )
A. 对
B. 错
Questions 11 to 18 are based on the conversation you have just heard.
A. He is going to stay at school during the winter holiday.
B. He is going to spend the winter holiday in Greece.
C. He is coming back home for the winter holiday.
D. He always comes back home during the winter holiday.
我国目前的政府债券仅限于中央政府债券。( )
A. 对
B. 错
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