由于偏食，小王的上皮组织发生角化，皮肤粗糙，同时皮下血管出血，这是由于他体内缺乏

根据所给汉语提示写出单词，每空一词。

1. _____ (土豆) are my favourite food. I almost eat them every day.

2. The shopping mall sells food from different _____ (国家).

3. Eddie is a very_____ (懒惰的) dog. He is sleeping all the time.

4. The baby has four _____ (牙齿).

5. My father spends half an hour _____ (完成) washing his car.

6. Simon likes to wear _____ (色彩艳丽的) trainers.

7. The room is small, _____ (但是), it's tidy.

8. I like playing basketball  _____ (在……之前) I go home after school.

All the employees except the manager           to work online at home.      [ ]

A. encourages                

B. encourage      

C. is encouraged              

D. are encouraged

已知有机物A、B之间存在如右转化关系：（已配平)。则符合条件的B的结构最多有(不考虑立体异构）

A．5种       B．6种     C．7种      D．8种

— Would you like ______ bread?

— Yes, please. [ ]

A. a

B. many

C. some

D. any

制定服务方案的一般程序是什么？