以下哪项疾病中常见黄斑部樱桃红斑(如图)()
A.视网膜中央静脉阻塞
B.年龄相关性黄斑变性
C.Coats病
D.视网膜中央动脉阻塞
E.中心性渗出性脉络膜视网膜病变
参考答案:D
大跨径桥梁采用( ),会取得良好的技术经济效益,多种工艺综合利用,是大跨及特大路桥施工有力的竞争方案。
A.预制安装法
B.转体施工法
C.顶推法施工
D.移动模架逐孔施工法
用单词的适当形式填空。
1. This is______ (interest) film. People are______ (interest) in it.
2. This book is ______ (necessary) than that one.
3. It is necessary for us______ (exercise).
4. When you cross the street, be ______ (care),
5. You are a good student, so you should read books ______ (care).
6. When I ______ (read) the book, I got some ______ (information) about the sun.