国家开放大学 / 综合英语（3）
正确率：100%
Under a microscope, muscle cells appear to be _ _ _ _ _ _ _ .
A.textured like wood
B. colored like wood
C.smooth and red
D. short and thick
A.textured like wood
B. colored like wood
C.smooth and red
D. short and thick
参考答案：
佳题速递：