下列考古实物不能验证是在黄帝生活时期发明创造的是[ ]
A、洛阳发现水井遗迹
B、浙江发现蚕茧和绢布
C、甘肃天水出土了一张纸
D、山东发现铜制的兵器
答案:C
根据括号里的汉语意思在句子的空白处填上合适的单词。
1. His father likes broccoli, but he doesn't like _______________________ (草莓).
2.This is Johnson's _______________________ (第二十) birthday.
3. _______________________ (二月) is the second month of a year.
4. The little girl wants her mother to show_______________________ (她) that picture.
5. Anybody can afford _______________________ (我们的) prices.
6. My friends often help me with _______________________ (跳舞).
7. Scott _______________________ (刷) his teeth every day.
8. My teacher _______________________ (工作) very long hours for us.
9. We have a lot of _______________________ (科目) every day.
10. _______________________ (星期三) comes after Tuesday.
防洪(防浪)墙的破损主要表现为残缺破损和()。
A.表面完整
B.内部破损
C.表面破损
D.表面光滑密实