【名词&注释】
太阳能(solar energy)、绿色植物(green plant)、化学变化(chemical change)、干电池(dry battery)、进行光合作用
[单选题]下列说法不正确的是（ ）
A. 干电池工作释放电能
B. 燃料燃烧时发生化学变化并放出能量
C. 绿色植物吸收太阳能进行光合作用
D. 面粉，蔗糖灼烧后都变成炭黑，说明它们是相同的物质
查看答案&解析
点击获取本科目所有试题
举一反三：
[单选题]—How clean the bedroom is!—Yes,I am sure that someone it.
A. cleans
B. cleaned
C. has cleaned
D. had cleaned
[单选题]Iforgettobringapen．Wouldyoulendme____?
A. one
B. that
C. it
D. this
[单选题]29． What does the Internet use to join the computers together?
A. Letters
B. E-mails
C. The box
D. The telephone
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