估算. 986×52≈87×69≈996×51≈603×42≈

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问题:

估算.
986×52≈87×69≈996×51≈603×42≈
考点:乘法的估算除法的估算
题型:解答题

哪些部门参与组织制定了《医疗机构从业人员行为规范》?()

A.卫生部医政司、国家食品药品监督管理局

B.国家中医药管理局、卫生部主管部门

C.卫生部、国家食品药品监督管理局、国家中医药管理局

D.卫生部医政司、国家食品药品监督管理局、国家中医药管理局

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A.非常高

B.很糟糕

C.太一般

D.很难说

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(36) have greeted Queen Elizabeth Ⅱ as she appeared outside (37) in a pink suit and hat on her 80th birthday. And (38) working grandmother shows no signs of slowing down and has genes on her side -- her mother died at 101. Queen Elizabeth’s husband, Prince Philip, followed close behind as she (39) the castle’s King Henry VIII gate, Voice of America reports. A military (40) played and a 21-gun salute (41) nearby ahead of another 41-gun salute in London’ s Hyde Park later in the day Friday. Prince Charles is (42) a birthday dinner for the (43) at a palace in London’s Kew Gardens. Queen Elizabeth has received 37,000 birthday cards and e-mails from around the world, according to (44) Queen Elizabeth Ⅱ issued a (45) saying she (46) by the messages. In an ITV News survey, Elizabeth was (47) the most popular royal. Bottom of the survey came Camilla Parker-Bowles, Duchess of Cornwall, who last year married the queen’s eldest son, Charles, after a tortuous 35-year (48) . In her 80s, Queen Elizabeth Ⅱ remains perhaps the most (49) . She is known for her penchant for brightly colored suits and hats. French designer Sonia Rykiel once criticized the Queen of England about the way she dresses. She called the Queen "the worst dressed person in the UK". "The Queen is one of the worst dresses people in the UK. She should stop wearing those bright suits and hats ..." Sonia Rykiel said. "A woman in her position should start dressing in a more (50) and serious manner." Frankly, we sold our Sonia Rykiel sweaters cardigans on eBay (51) after this interview. According to a senior royal aide, "The Queen proudly wears British designers. She wears (52) and stylish clothing which is right for the kind of work she does." Her main (53) include (54) photography, and dogs, especially her Pembroke Welsh Corgis. Queen Elizabeth II is Europe’s (55) living monarch. And lest we forget, Queen Elizabeth Ⅱ is the Queen of Canada, too.

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加氢裂化过程中的氯虽可有不同来源,但对操作过程的影响均是与原料油脱氮过程生成的氨化合形成NH4Cl,关于NH4Cl的下述说法不对的是()

A、(NH4)2S比NH4Cl更易在系统中析出;

B、通过注水的方法可将NH4Cl溶解;

C、必须选择适当的注水点和注水量才能最大限度地溶解NH4Cl;

D、将重整氢中的氯化物在进入加氢裂化系统之前进行脱除,可防止或减少NH4Cl的生成。

题型:解答题

加氢进料加热燃料气压力低低联锁熄炉后,处理步骤错误的是()

A、迅速停止进料,关闭高分液位,排放废氢

B、关闭长明灯,炉膛吹扫

C、直接点炉

D、先关闭入炉阀,提高瓦斯罐压力,排除故障后,联锁复位,如处理快,可在维持进料的情况下,紧急点火升温,恢复正常

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