由连续开级配矿料组成的沥青混合料结构为( )。
A.骨架空隙结构
B.密实悬浮结构
C.密实骨架结构
D.连续级配结构
参考答案:A
根据句意,选择括号中适当的词或短语填空。
1. Is this _____ (your/yours) eraser?
2. This is not _____ (their/theirs) school.
3. —Whose are those?
—The new ones are _____ (my/mine).
4. _____ (Who's/Whose) desks are these?
5. The cat _____ (looks like/looks) a hat (帽子).
公用数据网中传输的是数字化数据。我国的公用数据网名称是______。
A.CERNET
B.CHINAPAC
C.SCTNET
D.UNINET