问题
选择题
下列物质中属于纯净物的是 [ ]
A.某品牌纯净水
B.清新的空气
C.24K黄金
D.氦氖激光气
答案
答案:C
下列物质中属于纯净物的是 [ ]
A.某品牌纯净水
B.清新的空气
C.24K黄金
D.氦氖激光气
答案:C
用方框内单词的正确形式填空,每个单词限用一次。(10分)
The people at Lenny’s are also 小题6: than those at Carol’s. In fact, Lenny’s is one of the friendliest 小题7: in town. They have the biggest hamburgers and the 小题8: salad. But their pizza is pretty小题9: .You should 小题10: have pizza at Lenny’s! |