如图是元素周期表的一部分,针对表中的①---⑥短周期元素,回答下列问题 ①②③④

题型:问答题

问题:

如图是元素周期表的一部分,针对表中的①---⑥短周期元素,回答下列问题

(1)最活泼的金属元素是______(填元素符号)

(2)④的原子结构示意图为:______ 它在周期表中的位置为______

①②两元素形成的最简单化合物的电子式为______

(3)②和⑤两种元素原子半径较大的是______(填元素符号),②、⑤和⑥三种元素最高价氧化物对应的水合物酸性较强的是______(填化学式);

(4)写出①的单质在⑥的单质中燃烧的化学方程式______;

③④两种元素的最高价氧化物对应的水合物之间可发生反应,该反应的离子方程式为:______.

考点:元素周期表元素周期律
题型:问答题

Part 4


Questions 26-45


·Read the following passage and choose the best word for each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.
During the past ten years (26) attention has been given to "telling it like it is". My impression is that this devotion to (27) one’s mind has more often led to hurt feelings and ruined relationships than (28) great joy.
I think we generally agree that never expressing real feelings and (29) all less-than-lovely thoughts about each other always leads to constructive communication. It’s a great (30) to allow ourselves to admit our human weaknesses and pursue more honest relationships with others. (31) we need to keep a balance between telling it all and telling nothing.
Recently I received a letter from a mother who had been (32) by her son to attend a weekend meeting with him. Under pressure from the group, her defenses cracked and she heard herself (33) her son for the first time that he (34) an accident—that she hadn’t been planning to have a child. He (35) told her that he couldn’t recall a single day in his childhood that he’d been happy. We cried and (36) ; I thought telling the truth had been good for us. But the trouble is, it wasn’t the whole truth. By the time Tommy was born I did want him, and at (37) he was happy. Ever since that day, we (38) . by some terrible feelings we exchanged. I must admit I’ve (39) the conclusion that some things are better left uncovered. Honesty is a fine policy, but we need a new sense of (40) . Disclosing is not a solution to every problem (41) even an end in itself. It’s useful under some circumstances and terribly hurtful under (42) . It’s a good idea, I think, to bite your (43) for ten or fifteen minutes before saying what’s (44) your mind. Try to decide whether it’s going to open up new and better ways of communication or (45) wounds that may never heal.

A.dissuaded

B.persuaded

C.convinced

D.convicted

题型:问答题

顾云家住在翠云新村,楼房的号码是100以内最大的质数,房间的号码是一个既有因数2、又有因数3的最小的三位数,顾云家的住址是翠园新村______号______室.

题型:问答题

人工挖孔桩的孔径不得小于()

A.0.8m;

B.1.0m;

C.1.2m;

D.1.5m。

题型:问答题

补写出下列名篇名句中的空缺部分。(共6分,每空1分)

(1)曾记否,到中流击水,         ?(毛 * * 《沁园春·长沙》)

(2)惨象,已使我目不忍视了;流言,                    。(《记念刘和珍君》)

(3)真的猛士,                   ,敢于正视淋漓的鲜血。(《记念刘和珍君》)

(4)横眉冷对千夫指,                。(鲁迅《自嘲》)

(5)               ,思而不学则殆。(《论语·为政》)

(6)            ,往来无白丁。(刘禹锡《陋室铭》)

题型:问答题

徽商银行开展收单业务的主要业务模式有()

A.互联网收单模式

B.直联模式

C.第三方支付平台收单模式

D.间联模式

E.无卡支付模式

更多题库