问答题简答题：面包生产中，怎样判断面团发酵的成熟度？

题目：

面包生产中，怎样判断面团发酵的成熟度？

答案：

参考答案：

①用手指轻轻插入面团内部，待手指拿出后，如四周的面团不再向凹处塌陷，被压凹的面团也不立即复原，仅在凹处周围略微下落，表示面团成熟；如果被压凹的面团很快恢复原状，表示面团嫩；如果凹下的面团随手指离开而很快跌落，表示面团成熟过度。

②用手将面团撕开，如内部呈丝瓜瓤状并有酒香，说明面团已经成熟。

③用手将面团握成团，如手感发硬或粘手是面团嫩；如手感柔软且不粘手就是成熟适度；如面团表面有裂纹或很多气孔，说明面团已经老了。

题型：阅读理解

第二部分：阅读理解（共两节，满分40分）

第一节：（共15小题：每小题2分，满分30分）

阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。

Heather Mills McCartney lives an admirable life, attending celebrity parties, meeting regularly with the rich and famous and doing meaningful work for charity．All who work with her admire and respect her．But Heather’s life hasn’t always been so easy．When Heather was only 9 years old, her mother abandoned her and her two brothers．At the age of 13, she ran away from home and ended up living on the streets in London．Eventually, however, her exceptional beauty led to a career in modeling．At that time, Heather also began helping with the war relief efforts in former Yugoslavia．Through her modeling and relief work, she soon became famous．

But in August 1993, at age 25 her life changed once again．She was crossing the street in London when a motorcycle crashed into her．She was so badly injured that the doctors had to cut off her left leg．After that, she discovered she frequently needed to change her artificial limbs(假肢)．It was expensive and she felt it was a waste to just throw away the old one．It occurred to her to set up an organization that could deliver used artificial limbs to Yugoslavia and other war-torn countries．It was through her charity work that she met her husband Paul McCartney．

Throughout her life, Heather has risen above problems and focused on helping others．Her work with artificial limbs even earned her a nomination（提名） for the Nobel Peace Prize in 1996．Heathe’s persistence and determination are what impresses anyone who knows her．Heather believes anyone can make a positive difference in the world．

36．This passage is mainly about _________．

A．Heather’s miserable life B．Heather’s contribution to the world

C．Heather’s success in her work D．Heather’s belief in life

37．Heather began her modeling career _________．

A．due to her mother’s encouragement

B．after her brothers abandoned her

C．because of her excellent intelligence and performances

D．because she was especially beautiful

38．Which of the following is Not true according to the passage?

A．Heather won the Nobel Peace Prize in 1996．

B．Heather began her charity work while working as a model．

C．Her artificial limbs had to be replaced continuously．

D．Heather has never been defeated by her problems．

39．From the passage we can infer that people admire and respect Heather because_________．

A．she had a lot of misfortunes during her childhood．

B．she was a world-famous model

C．she is determined and never gives in

D．she made a great difference in the world

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