问题
单项选择题
车辆排放的废气中，不包含（）。
A.一氧化碳（CO）
B.二氧化碳（CO2）
C.氧化氮（NOX
D.碳氢化合物（HC.
答案
参考答案：B
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车辆排放的废气中，不包含（）。
A.一氧化碳（CO）
B.二氧化碳（CO2）
C.氧化氮（NOX
D.碳氢化合物（HC.
参考答案：B
从方框中选出最佳选项完成下面的对话。 A: How was your vacation, Fred? B: It was great. 小题1: A: Cool! Where did you go in the U.S.? B: 小题2: My uncle lives there. Then we went to New York to see my cousin. A: What was Los Angeles like? B: It was interesting. I really liked the zoo. 小题3: A: Did you see any movie stars in Los Angeles? B: No, but I saw Tom Cruise in New York. 小题4: I got his signature. A: Wow! That’s great! 小题5: B: Hmm... Oh yeah, I went to Central Park. I played baseball with my cousin and his friends.
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