通过某导体的电流为0.3安,10秒内电流做功为9焦,该导体两端的电压为____ 伏,这段时间内通过导体横截面的电荷量为____ 库,当该导体两端的电压变为6伏后,该导体的电阻为____ 欧.
①试管 ②集气瓶 ③蒸发皿 ④量筒 ⑤烧杯 ⑥燃烧匙 ⑦石棉网
东部地区集中了我国主要工业基地,其中频临南海的是( )工业基地。
根据句意及首字母提示完成单词
① I usually go to school at h____ past seven.
② How many l____ do you have on Monday?
③ Class is over. Let's have a b____.
④ Her sister's favourite s____ is art.
⑤ I like listening to music. What a____ you?