本课配套习题挑战模式1/5
单选题
难度系数:
1.下列现象与蒸发无关的是( )
A: 热天,狗伸出舌头散热 |
B: 打开冰棒包装纸,周围冒“白气” |
C: 用电吹风把湿头发吹干 |
D: 夏天在教室地上洒水降温 |
一次做对,真牛!
+5奖励规则>
- 提示1:6JK45Y+R5piv54mp5L2T5LuO5ray5oCB6L2s5YyW5Li65rCU5oCB55qE6L+H56iL
- 答案:Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列做法不能使水的蒸发加快的是( )
A: 用电热吹风机将湿头发吹干 |
B: 用扫帚把地面的积水向周围扫开 |
C: 把粮食拿到向阳的地方晒 |
D: 把水果用保鲜膜包好放在冷藏柜里 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Yqg5b+r6JK45Y+R55qE5pa55rOV5pyJOigxKeaPkOmrmOa2suS9k+eahOa4qeW6pjsoMinlop7lpKfmtrLkvZPnmoTooajpnaLnp687KDMp5Yqg5aSn5ray5L2T6KGo6Z2i5LiK55qE56m65rCU5rWB5Yqo5b+r5oWiLg==
- 答案:RA==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.小敏同学为了测定风向,进行了如下实验,将整个手都用水浸湿,然后将手举在空中,则手感到凉爽的一侧应是
A: 背风的那一侧 |
B: 迎风的那一侧 |
C: 侧风的那一侧 |
D: 都有可能 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Yqg5aSn5ray5L2T6KGo6Z2i5LiK55qE56m65rCU5rWB5Yqo6YCf5bqm77yM5Y+v5Lul5Yqg5b+r6JK45Y+R6YCf5bqm
- 答案:Qg==
5omL55So5rC05rW45rm/5ZCO77yM5Li+5Zyo56m65Lit77yM6L+O6aOO55qE5LiA6Z2i56m65rCU5rWB5Yqo5b+r77yM5rC06JK45Y+R5b+r77yM5ZC45pS255qE54Ot6YeP5aSa77yM5omA5Lul6L+O6aOO6Z2i5oSf5Yiw5pu05YeJ54i944CCPGJyPuaVhemAiULvvI4=
本课配套习题挑战模式4/5
单选题
难度系数:
4.某温度计的示数为40℃,现用浸有少量酒精的棉花裹在温度计的玻璃泡上,随着酒精的迅速蒸发,如下图中哪幅图基本反映了温度计的读数随时间的变化()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:6YWS57K+6JK45Y+R5ZC45pS254Ot6YeP
- 答案:Qw==
6YWS57K+6JK45Y+R5ZC45pS254Ot6YeP77yM5bCG5rip5bqm6K6h55qE54Ot6YeP5bim6LWw77yM5omA5Lul5rip5bqm55qE56S65pWw5Lya6ZmN5L2O77yM5b2T6YWS57K+6JK45Y+R5a6M77yM5rip5bqm6YCQ5riQ5LiK5Y2H77yM5oGi5aSN5Y6f5p2l55qE5rip5bqm77yM5omA5Lul6YCJQw==
本课配套习题挑战模式5/5
单选题
难度系数:
5.坎儿井是新疆吐鲁番地区庞大的地下灌溉工程,坎儿井的作用是( )
A: 阻止输水过程中水的蒸发和渗漏 |
B: 减少输水过程中水的蒸发和渗漏 |
C: 减少输水过程中水的蒸发和沸腾 |
D: 阻止输水过程中水的蒸发和沸腾 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Z2O5YS/5LqV5piv5paw55aG5ZCQ6bKB55Wq5Zyw5Yy65bqe5aSn55qE5Zyw5LiL54GM5rqJ5bel56iL77yM5Z2O5YS/5LqV5Zyo5Zyw5LiL
- 答案:Qg==
5Z2O5YS/5LqV5piv5paw55aG5ZCQ6bKB55Wq5Zyw5Yy65bqe5aSn55qE5Zyw5LiL54GM5rqJ5bel56iL77yM5Z2O5YS/5LqV5Zyo5Zyw5LiL77yM5Y+v5Lul5YeP5bCP5ray5L2T55qE5rip5bqm44CB5ray5L2T5LiK5pa556m65rCU5rWB5Yqo55qE6YCf5bqm77yM5Y2z5YeP5bCP6JK45Y+R77yb5Z2O5YS/5LqV5Lmf5pyJ566h6YGT77yM5Lmf5YeP5bCR5LqG5rC055qE5riX5ryP77yO5pWFQUNE6ZSZ6K+v77yOPGJyPuaVhemAiUI=