烤烟正常生长发育成熟的中下部叶及完熟叶叶片结构疏松
更新时间:2024-11-19 02:25:41 1、正确正确
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Beinga________(high)motivatedlauguagelearner,hetakeseveryopportunitytoimprovehisEnglish
Onehundredmiles____(be)toofartotravelonfoot.
Thereisanincreasing_(tend)forwomentohavechildrenlaterinlife
穿过一闭合回路的磁通量随时间的变化关系为Φm=2t²+t(SI),则t=0时回路中的感应电动势为()
Therediscoveryofthisspeciesofbirdsisoneofthemost___(ordinary)scientificfindingsinrecentyears.