光量子也同时具有波动性和粒子性,光的波动性的典型表现是什么?()
A、光线按费马原理传播
B、干涉和衍射现象
C、光速不变
D、光电效应
参考答案:B
Look at the picture. What can you see? In the picture there is a big table with a lot of things on it. There are three bottles of orange juice, two glasses of milk, some bread, cakes and so on. look, there is a cat under the table. It’s Kate’s cat. Its name is Mimi. I think it like them very much. No, Mimi. You can’t have them. All the things on the table are not for you. They are for Jim and Kate. They have them for lunch. POLLY is a bird. Now it’s on the window. It’s eating a banana.
小题1: There is a big table with ________ on it.
A.many things
B.three bottles of orange
C.two glasses of milk
D.some bread and cakes小题2:Where is the cat? It’s _________.
A.behind the door
B.under the table
C.near the window
D.on the floor小题3:What’s the name of Kate’s cat?
A.Mimi
B.Polly
C.Xiao Mi
D.Mary小题4:All the things on the table are for __________
A.Jim and Kate
B.Jim and Mimi
C.Jim and his father
D.Kate and her mother小题5:Which sentence is right ?
A.The cat is eating bread .
B.Jim is having breakfast.
C.Polly is eating a banana.
D.Kate is having lunch.
在世界七大奇迹中,下列哪项是基本荡然无存的?()
A、亚历山大灯塔
B、摩索拉斯王陵
C、胡夫金字塔
D、空中花园