—Why didn't you write down what the teacher said?
—He spoke fast I didn't follow him.
A:so; that
B:too; to
C:very; that
D:such; that
中国号称“小眼镜王国”,很多孩子都患有近视眼.已引起相关部门重视.如图所示的两幅图中能反映近视眼成因的是____ ,戴一个合适的____ 透镜就能将光线重新聚在视网膜上.
下列不属于种群的是( )
下列人物中,促使20世纪初的中国社会发生巨变的是( )