---I wonder why Mr Green hasn’t showed up at the meeting yet. ---I’m not sure, but he _______ in a traffic jam driving here. A. could be stuck B. might stuck C. might have b
1 She ______(说) English very well. 2 My friend Mary likes ____(看) sports shows. 3 Please be ________(安静), the child is doing his homework. 4 I like koalas _______(因为) they are cute
在两对相对性状的遗传实验中,可能具有1:1:1:1比例关系的是 ①杂种自交后代的性状分离比 ②杂种产生配子类别的比例 ③杂种测交后代的表现型比
如图:D、E是△ABC边AB、AC上的点,且DE∥BC,DE∶BC=2∶3,AH⊥BC,垂足为H,交DE于G. 若AH=6,则GH= ;若S四边形BCED=10,则S△ADE=
按要求完成下列句子, 每空一词。1. We will finish the math exam in ten minutes. (对划线部分提问)_______ _______ will you finish the math exam?2. I will play on the beach during the
已知:a、b、c在数轴上位置如图1,O为原点,则下列正确的是( )A、abc>0B、|a|>|c|C、|a|>|b|D、<0
下列各句中,加点的成语使用恰当的一句是( ) A.刘翔从全运会初出茅庐,到雅典夺得奥运金牌,再到洛桑打破世界纪录,再到北京奥运会退
如图所示的△ABC为等边三角形,边长为2,D为BC中点,△ADC绕点A顺时针旋转60°得到△AEB,则BE=_▲__.