根据窗口技术的原理，CT值最小的像素，在图像上表现为（）

A.白色

B.灰白

C.灰

D.深灰

E.黑色

句型转换。

1. He said, “Are you interested in English?" (合并为宾语从句)

He asked me ______ I ______ interested in English.

2. The book is a story-book. That book has a red cover. (合并为一句)

That book______ has a red cover______ a story-book.

3. When do the Smiths leave Beijins? Can you tell me? (合并为宾语从句)

Can you tell me______ the Smiths______ Beijing?      

4. Mr. Liu said to us, "I'll go to Chengdu next week." (合并为宾语从句)

Mr. Liu told us ______ ______ go to Chengdu the next week.

5. The boy wanted to watch the baseball match but didn't want to stay at home. (改为同义句)

The boy wanted to watch the baseball match______ ______ staying at home.