电镀时,阴极和阳极必然有()反应发生。

题型:填空题

问题:

电镀时,阴极和阳极必然有()反应发生。

考点:化学工程电镀电镀题库
题型:填空题

Qi Haoran, a Junior One student, was quite busy over the past winter vacation – and not just with homework. Qi, together with 10 other classmates made a volunteer group to call on people to join the Clean Your Plate Campaign (光盘行动).

The 11 students went to many restaurants and told people the importance of saving food.“Excuse me, do you know that 950 million people around the world still haven’t got enough to eat? Could you please not waste food?” They would say this kind of thing hundreds of times every day.

The Clean Your Plate Campaign began on the Internet in January. It calls on people to reduce food waste.

China in these years had serious problems with wasted food. CCTV reported in January that the food Chinese people waste every year is enough to feed 200 million people for a year.

Chinese people are well known for being hospitable (好客的) and generous. Many even feel that they lose face if their guests have eaten all their food.

Luckily the campaign has got the support of many. In a restaurant in Xinjiang, the owner gives the guests who have eaten up all that they ordered a sticker. People can enjoy a free meal when they have 10 stickers. More than 750 restaurants in Beijing have begun to offer smaller dishes and encourage their guests to take leftovers(吃剩的食物) home.

To reduce food waste is a big task, and it needs time. It’s important that everyone does their bit, just like Qi. Did you finish your meals today?

小题1:What did the 11 students do in the winter vacation?

A.They opened a restaurant together.

B.They volunteered for a campaign.

C.The helped each other with homework.

D.They collected money from customers in restaurants.小题2:What does the underlined part “call on” mean in Chinese in the passage?

A.打电话

B.叫喊

C.拜访

D.号召小题3:What can we learn from Paragraph 4 and Paragraph 5?

A.Wasting food is a serious problem in China.

B.Chinese people waste the most food in the world.

C.Chinese people want to show off because they are rich.

D.Most Chinese people are afraid of losing face at the table.小题4:What did the restaurant in Beijing do to support the campaign?

A.It encouraged customers to take leftovers home.

B.It gave stickers to the guests who ordered small dishes.

C.The owner would have dinner with those who had eaten up their food.

D.It offered a free meal to the guests who had finished all their food ten times.

题型:填空题

人类遗传病发病率逐年增高,相关遗传学研究备受关注。根据以下信息回答问题:

(1)上图为两种遗传病系谱图,甲病基因用A、a表示,乙病基因用B、b表示,Ⅱ-4无致病基因。Ⅱ-2的基因型为______,Ⅲ-1的基因型为________;甲病的遗传方式最可能为_____,乙病的遗传方式为____。

(2)小鼠常被用作研究人类遗传病的模式动物。请填充观察小鼠细胞减数分裂的实验步骤:供选材料及试剂:小鼠的肾脏、睾丸、肝脏,苏丹Ⅲ染液、醋酸洋红染液、詹纳斯绿B(健那绿)染液,解离固定液。取材:用____________作实验材料制片:

①.取少量组织低渗处理后,放在____________溶液中,一定时间后轻轻漂洗。

②.将漂洗后的组织放在载玻片上,滴加适量____________。

③.一定时间后加盖玻片,____________。

观察:

①.用显微镜观察时,发现几种不同特征的分裂中期细胞。若它们正常分裂,产生的子细胞是_________。

②.下图是观察到的同源染色体进入(A1和A2)的配对情况,若A1正常,A2发生的变异可能是________________________。

题型:填空题

阅读,回答下面问题。

第一次真好

  ①路过人家的墙边,偶一抬头,看见一棵结实累累的柚子树,一颗颗硕大的黄绿色的柚子,沉甸甸垂吊在枝头。这景色不见得很美,却是一幅秋日风情画。

  ②我是个生长在都市,从来不曾享受过田园生活的俗子。除了木瓜树以外,所有结实累累的果树,都只能够在图画、照片和电视里看到。今天第一次看到这棵果实如此丰硕的柚子树,霎时间,心头充满了喜悦与新奇。

  ③第一次真好,第一次的感觉真奇妙,细细回想:在你的生命中,有多少“第一次”值得你低回品味?有多少“第一次”使你留下不可磨灭的印象?

  ④几年前,家中第一次养了一笼十姊妹。当母鸟第一次生下了几个玲珑剔透、比小指头还小的鸟蛋以后,我和孩子们眼巴巴地等候小鸟孵出来。有一天,我们正在吃午饭,孩子忽然大叫:“小鸟孵出来了!”我惊喜地走到鸟笼边一看,在鸟巢里面的所谓小鸟,__________。第一次看刚孵出来的雏鸟,但觉它们的样子很难看,竟因此而吃不下饭。可是,等到它们渐渐长大,羽毛渐丰,一切都具体而微以后,我喜爱它们又甚于那些老鸟。

  ⑤第一次生孩子时,护士把包在襁褓中,只露出一张红朴朴小脸的老大抱来放在我的身边。我第一次看到从自己身体中分出来的骨肉,第一次看到如此鲜嫩的,才出生不到一个钟头的婴儿,心情非常复杂,又兴奋又新奇又紧张,只是目不转睛地望着他,惟恐这脆弱的小生命随时消失。

  ⑥第一次的感觉真奇妙。第一次去露营,第一次自己动手做饭,第一次坐火车,第一次坐喷气式飞机,第一次看见雪,第一次看到自己的作品用铅字印出来……第一次的经验不一定都愉快,但却新鲜刺激,使人回味无穷。

  ⑦生命中的第一次愈多,生命也就愈益多姿多彩。

  ⑧愿你珍重第一次。

1、下面是第④段括号处原有的句子,句序已打乱,请调整句序。

①身上只有稀疏的几根毛  ②仅仅具有鸟的雏形  ③只是两团小小的粉红色肉球  ④两只黑黑的眼睛却奇大

正确的句序是_______________________________________ 

2、作者写自己的一些“第一次”经历,详细叙写的是哪三次?请各用一个短语加以概括。

___________________________________________________

3、第①段中,作者既然说柚子树“不见得很美”,又说“却是一幅秋日风情画”,语意是否矛盾?为什么?

___________________________________________________

4、第③段画线的两个反问句,在语言表达上的作用是___________;在结构上所起的作用是______________。 

5、第⑤段描述“第一次”生孩子的经历和感受时,交织着千丝万缕母爱,使人不禁想起唐朝诗人孟郊千古传颂的诗句。

__________________________________________________

题型:填空题

五笔字型方案中,“言、立、水、火、之”均是键名汉字。

题型:填空题

吴少晖是路下村的村民,在路下村新兴西路 48号居住,但其户籍一直落在屏南县路下乡中心小学。路下村历届村民委员会换届选举时,都将吴少晖登记为选民。2003年6月12日,吴少晖将户籍从路下乡中心小学迁入路下村,成为该村非农业户籍的村民。2003年,路下村村民委员会因任期届满,依法需进行换届选举,选举日定为2003年7月 12日,从6月7日起进行选民登记,吴少晖未被登记为该村选民。吴少晖向路下村村民选举委员会提出申诉后,该委员会认为:吴少晖虽然在本村居住,但其户籍是在选民登记日(6月7日)以后才迁入本村的,不能在本村登记。据此,该委员会于2003年 6月29日作出处理决定:对吴少晖的选民资格不予登记。 (1)如果吴少晖不服路下村村民选举委员会的处理决定,何时向人民法院起诉是有效的( )

A.2003年7月1日

B.2003年7月6日

C.2003年7月9日

D.2003年7月11日

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