一种 查看更多

 

题目列表(包括答案和解析)

有一种不饱和醇,其结构简式为CH2=CHCH2OH,请回答下列问题:
(1)写出该化合物中官能团的名称__________。
(2)试推测该化合物可能发生的反应为__________(填序号)。
① 与酸性高锰酸钾溶液反应  ② 与溴水反应  ③ 与H2反应 
④ 与Na反应               ⑤ 燃烧反应     ⑥ 催化氧化反应

查看答案和解析>>

有一种节约叫光盘,有一种公益叫光盘!所谓光盘,就是吃光你盘子中的食物。拒绝浪费,珍惜粮食!针对这项行动,并根据以下提示,请你以No Wasting On Food为题写一篇短文,号召大家参与这项活动。

注意:1. 短文必须包括所有内容要点,可适当发挥;

      2. 短文标题与开头已为你写好,不计入总词数;

3. 词数:90左右。

Reasons

a waste of food, money,

pollute the environment

Suggestions

eat up all your food / clear your plate; 

leftovers(剩饭菜)…

order less or smaller dishes

No Wasting On Food

Recently, many restaurants in our country have joined the “Clearing Your Plate” campaign(活动)against wasting food by offering smaller dishes.                                                

                                                                                       

                                                                                        

                                                                                       

                                                                                       

                                                                                        

                                                                                       

                                                                                       

                                                                                        

                                                                                       


查看答案和解析>>

有一种节约叫光盘,有一种公益叫光盘!所谓光盘,就是吃光你盘子中的食物。拒绝浪费,珍惜粮食!针对这项行动,并根据以下提示,请你以No Wasting On Food为题写一篇短文,号召大家参与这项活动。

注意:1. 短文必须包括所有内容要点,可适当发挥;

      2. 短文标题与开头已为你写好,不计入总词数;

                             3. 词数:80左右。

Reasons

a waste of food, money,

pollute the environment

Suggestions

eat up all your food / clear your plate; 

leftovers(剩饭菜)…

order less or smaller dishes

No Wasting On Food

Recently, nearly 26 restaurants in Nanjing have joined the “Clearing Your Plate” campaign(活动)against wasting food by offering smaller dishes.

                                                                          

                                                                             

                                                                          

                                                                              

                                                                          

                                                                             

                                                                              

                                                                          


查看答案和解析>>

有一种节约叫光盘,有一种公益叫光盘!所谓光盘,就是吃光你盘子中的食物。拒绝浪费,珍惜粮食!针对这项行动,并根据以下提示,请你以No Wasting On Food为题写一篇短文,号召大家参与这项活动。

注意:1. 短文必须包括所有内容要点,可适当发挥;

      2. 短文标题与开头已为你写好,不计入总词数;

                             3. 词数:80左右。

Reasons

a waste of food, money,

pollute the environment

Suggestions

eat up all your food / clear your plate; 

leftovers(剩饭菜)…

order less or smaller dishes

No Wasting On Food

Recently, nearly 26 restaurants in Nanjing have joined the “Clearing Your Plate” campaign(活动)against wasting food by offering smaller dishes.

                                                                          

                                                                             

                                                                          

                                                                              

                                                                          

                                                                             

                                                                              

                                                                          


查看答案和解析>>

有一种节约叫光盘,有一种公益叫光盘!所谓光盘,就是吃光你盘子中的食物。拒绝浪费,珍惜粮食!针对这项行动,并根据以下提示,请你以No Wasting On Food为题写一篇短文,号召大家参与这项活动。
注意:1. 短文必须包括所有内容要点,可适当发挥;
2. 短文标题与开头已为你写好,不计入总词数;
3. 词数:80左右。
原因
浪费食物, 浪费钱,
污染环境

建议
吃光盘中的所有食物;
将剩下的饭菜(leftovers)带回家
尽量少点些菜
…我们还应该(你的建议)
No Wasting On Food
Recently, nearly 26 restaurants in Yangcheng have joined the “Clearing Your Plate” campaign(活动)against wasting food by offering smaller dishes.

查看答案和解析>>


同步练习册答案