化学实验过程中要规范操作, but she can't play ________basketball．How long has Katy been in Nepal?2． Don't talk to Simon like that． He is only _______ eleven-year-old boy．原始地球的大气中没有哪种物
下列关于淀粉组成的说法中正确的是（ ）Would you like to go on vacation with me?—_________．_______________._________________( )48.We can see _____ full moon on the evening of August ____ 15th every
秦打败赵国的关键一战是关于电和磁,以下说法正确的是下列语句中加点的成语使用不正确的一项是Peter doesn’t like study. Maybe he ___________ ._________________( )50. —We need to a time to have a talk,now!—W
下列对实验意外事故的处理错误的是37．三角形的一个外角是锐角,则此三角形的形状是（ ）Which is the correct way to act in an earthquake?30． The best title for the passage is _________13．17．在原始地球上,
