在实验中进行下列实验,括号内的实验用品都能用到的是()
正义是人们一直以来的不懈追求,中华民族自古就有崇尚正直的传统。下列体现正义感的是()
-- __________?
-- My bike is broken.
The office building _____ the classrooms
About ________ percent of the earth's surface is covered with water
( )Well ,would you like _____ to drink?
关于下列四个图象的说法正确的是()
俄国1861年改革和美国南北战争都是为了解决资本主义发展所需要的
I can see ______ in Lucy's room.
( )_____ you see the blackboard?