简述制作彩色照片的条件和操作难度比制作黑白照片要高的表现。
参考答案:(1)对暗室的要求更高。
(2)对曝光控制的准确性要求更高。
(3)对冲洗温度的控制要求十分严格。
用所给动词的适当形式填空。
1. There__________ (be) some money in the purse.
2. I have something else __________ (do).
3. This garden is big. That garden is____________ (big).
4. There are four__________ (build) in the school.
5. Math is a___________ (use) subject.
6. Cities are often___________ (noise).
7. My classmates are very___________ (friend).
8. There isn't__________ (some) tea in the cup.
9. Bob__________ (wash) his face before breakfast.
10. It's 8:00. The students____________ (have) lessons.
Wernicke脑病发生病理改变的常见部位不包括()
A. * * 体
B.双侧丘脑内侧
C.大脑白质
D.第三脑室周围灰质
E.第四脑室导水管周围