对路面基层的性能要求是()。
A.具有足够的强度和刚度
B.具有足够的水稳定性
C.具有足够的耐磨性
D.具有良好的抗滑性
参考答案:A, B
— Can the little girl read?
— Yes. She can read an _____ story. [ ]
A. 500 words
B. 800 word
C. 800-word
D. 500-words'
Every ship should hoist()when approaching and entering ports.
A.its flashing light
B.the ship's name
C.its identification
D.its signal letters