“无车日、停电一天、停开空调等”这种低碳生活体现了以_________为主旨的绿色消费观念。（   ）

    Today was Emily's birthday. She was happy and went home quickly after school.

    “You have to look for your gift on your own，” her sister said. “Here is the first clue(线索).” She gave Emily a piece of paper.

    Emily opened the note and read， “Clue Number 1： Look inside the car.” She found a bone(骨头) for dogs and another note in the car.

    “Clue Number 2： Look at the swing.” On the swing there was a bag of dog food with the third note.

    Again she quickly read the note， “Clue Number 3： Look into the house.” Emily found a dog's leash(皮带) there.

    The note on the leash asked her to go outside. There she saw a beautiful red doghouse.

    Before she got there， a black puppy ran up to her. It had a note on it. The note said， “Happy Birthday， Emily.”

    “Oh， such a cute dog!” she cried. She was so happy. “I will name her Happy， because she made me so happy today，” Emily said.

试按照实验室用温度计测量液体温度的方法，在下列叙述的步骤中，选择正确的步骤，并把它的编号依次排列：

A．选用测量范围合适的温度计；
B．估计被测液体的温度；
C．读出温度计的示数；
D．把温度计的玻璃泡跟被测的液体充分接触；
E．取出温度计；
F．让温度计与被测的液体接触一段时间，直至温度计内液面稳定。

正确步骤：____ ．

太源井晒醋是自贡市的名优土特产品，该产品面市已有150多年的历史．中草药制曲和天然发酵；是太源井晒醋与其它食酷的区别．如表表示太源井晒醋不同陈酿方法下的一些理化指标．回答下列问题：

（1）醋的制作需要以____ 作为菌种，请写出一个表示制醋原理的反应式____  ．从生态系统的成分看，该微生物属于生态系统中的____ ．

（2）传统酿醋工艺中，主要是依靠自然界中的菌种，其生产性能不稳定且出醋率低，因而要对菌种进行纯化培养．纯化菌种可用____   法或稀释涂布平板法将样本接种于固体培养基表面，经过选择培养、鉴别等步骤获得．接种前需随机选取若干灭菌后的空白平板先行培养一段时间，其目的是____ 

（3）恒温陈酿时，需将温度控制在　____  范围内；由表中数据可知，____  法可提高晒醋质量．

（4）用一定的方法进行脱色处理后，食醋中的还原糖可用____ 试剂检测，往水浴煮沸的条件下，该试剂与还原糖发生反应产生的现象是____