动脉中流动的是动脉血,静脉中流动的是静脉血.(判断对错)
用下列词语造句
①炫耀
②魁梧
Look! ______ little a boy can lift ______ many books.
观:A.看 B.看到的景象 C.对事物的认识
①天下奇观____ ②观赏美景____ ③走马观花____