问题
选择题
利用家庭生活用品也可以开展实验探究活动。下列实验仅利用家庭生活用品不可能完成的是[ ]
A．探究固体食盐在水中溶解的限量、速率
B．检验花生油中是否掺有少量“地沟油”
C．检验加碘食盐中是否含有碘单质
D．用食醋除去热水瓶中的水垢
答案
答案：B
搜题请搜索小程序“爱下问搜题”
利用家庭生活用品也可以开展实验探究活动。下列实验仅利用家庭生活用品不可能完成的是[ ]
A．探究固体食盐在水中溶解的限量、速率
B．检验花生油中是否掺有少量“地沟油”
C．检验加碘食盐中是否含有碘单质
D．用食醋除去热水瓶中的水垢
答案：B
| 阅读理解。 | |
| |
| 1. What makes the girl think the sweater is her favourite? | |
[ ] | |
| A. The girl's grandma made it. B. The girl got it at the age of three. C. The yarn is the color of bluebells. D. The cat Queen uses it for the kittens. | |
| 2. Why does the girl give the sweater away? | |
[ ] |
| A. The girl is tired of the sweater. B. The girl wants her grandma to make a new sweater. C. The girl likes her new jacket better than the sweater. D. The girl thinks the sweater is too small. |
| 3. What will most likely happen to the green jacket? |
[ ] |
| A. The jacket will become too small. C. The girl will sell the jacket. B. The kittens will use the jacket for a bed. D. The jacket will become the girl's favorite. |
| 4. Read this line from the poem: "My favorite sweater grew too small." What does this line mean? |
[ ] |
| A. The girl likes small sweaters. B. The girl's sweater became smaller than it once was. C. The girl's grandma made a small sweater. D. The girl became too big for the sweater. |
| 5. Read this line from the poem: Queen just had kittens out in the shed. The word "shed" in this line probably means ______. |
[ ] |
| A. the girl's sweater B. the girl's jacket C. the cats' house D. the cats' sweater |