搜题请搜索小程序“爱下问搜题”
问题
选择题
如图所示,三个电阻R
1
、R
2
、R
3
的阻值相同,允许消耗的最大功率分别为10W、10W、4W,则此电路允许消耗的最大功率为( )
A.12W
B.15W
C.16W
D.24W
答案
答案:
B
猜谜题,问答题
根据表格回答以下问题,将答案填写在相应的横线上。
Monday
Tuesday
Wednesday
Thursday
Friday
learned Chinese
√
sang and danced
√
ate good food
√
took pictures
√
climbed a mountain
√
1. What did you do last Monday?
2. Did you take pictures last-Tuesday?
3. What did you do last Thursday?
4. Did you eat good food last Friday?
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单项选择题
支气管哮喘发作时肺部叩诊呈()。
A.鼓音
B.浊音
C.清音
D.过清音
E.实音
查看答案