【名词&注释】
高锰酸钾(potassium permanganate)、矿泉水(mineral water)、教育制度(educational system)、上大学(getting in to university)、名词所有格(possessive case)
[单选题]下列物质中属于氧化物的是
A. 高锰酸钾
B. 臭氧(O3)
C. 干冰
D. 矿泉水
查看答案&解析查看所有试题
学习资料:
[单选题]10.
A. you
B. them
C. they
D. we
[单选题]12. ________mothers both work in the same hospital.
A. Tim and Peter-s
B. Tim's and Peter
C. Tim's and Peter's
D. Tim and Peter
[单选题]18.
A. were born
B. travel
C. visit
D. live
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