问题
选择题
下列对实验现象的描述，错误的是（ ）
A．镁条在空气中剧烈燃烧，发出耀眼白光
B．硫在空气中燃烧产生微弱的淡蓝色火焰，并生成无色有刺激性气味的气体
C．向稀硫酸中滴加紫色石蕊试液．溶液变成红色
D．向氯化钙溶液中通入二氧化碳，出现大量白色沉淀
答案
答案：D
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下列对实验现象的描述，错误的是（ ）
A．镁条在空气中剧烈燃烧，发出耀眼白光
B．硫在空气中燃烧产生微弱的淡蓝色火焰，并生成无色有刺激性气味的气体
C．向稀硫酸中滴加紫色石蕊试液．溶液变成红色
D．向氯化钙溶液中通入二氧化碳，出现大量白色沉淀
答案：D
| 读短文，填表。 | ||
| Hello, I am Taiko. I get up at 6: 00 in the morning every day. I eat breakfast at 6: 30. Then I go to school at 7: 00. We do morning exercises at 8: 00. We have three classes in the morning and three in the afternoon. I go home at 5: 00 p. m. I play basketball at 5: 30. I eat supper at 7: 30. Then I do my homework. I go to bed at 9: 00. This is my day. What about yours?
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