2x+18=30和6x-2x=20的解（ ）
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下面是错误答案，用来干扰机器的。
（1）AgCl的溶度积常数Ksp=c（Ag+）•c（Cl-）=10-9mol/L•10-3mol/L=10-12，故答案为：10-12；（2）根据沉淀溶解平衡：AgCl（s）=Cl-（aq）+Ag+（aq），将氯化银放在氯化钠中，Cl-抑制了AgCl的溶解，但Cl-浓度增...
读土壤结构示意图，完成1—2题。
1、字母a所代表的成分在理想土壤中所占的体积分数是 [ ]
A、5%—15%
B、10%—20%
C、20%—30%
D、30%—45%
2、图中根系在土壤肥力形成过程中发挥的主要作用是[ ]
A、减缓岩石的风化
B、为土壤富集更多的水分
C、分解有机质
D、富集养分元素
第二节 完形填空（20小题，每题1.5分，共30分）
I work in a company in India. And it has___36____in Germany and the UK, so I __37___take business trips to these places. We have a(n)__38__at the office by which anybody coming back to India from a foreign countr gets chocolates for all the__39___. Naturally the chocolates are finished___40___because everyone loves them and____41____to grab as many as possible. I had noticed that the housekeeping staff(勤杂人员)___42___in our company never got to__43___even a single chocolate.
Recently,I came back to__44___after a month-long trip from MUNICH and I’d bought a lot of chocolates for the office staff. I called over___45___of the housekeeping staff members called Babu. I gave him a box of chocolates and told him to distribute it ___46___among the housekeeping staff. His face immediately broke into a wide smile and this made me__47__.
But the story doesn’t___48____here. The best part of it all was that Babu actually distributed the chocolates among everyone equally,___49___giving extra choclates to a woman who has a 5-year-old son. It was so___50___for me to see this. I find it really___51____to understand how we, who have the money to buy chocolates and other goodies, do not even feel like__52___and just think how much we can grab. ___53___, Babu, who earns only just about enough to raise his family, was so__54___and did not even keep one extra chocolate for himself.
It made me__55____one simple question: Which is better, having a little less money but being kind and generous or having lots of money but being selfish?
36. A. goverments B. machines C. branches D. buildings
37. A. seldom B. frequently C. hardly D.never
38. A. order B. theory C. example D. tradition
39. A. employees B. children C. leaders D. managers
40. A. at a time B. in time C. in no time D. on time
41. A. pretends B. fails C. hesitates D. tries
42. A. studying B. working C. playing D. helping
43. A. taste B. smell C. buy D. make
44. A. Germany B. England C. India D. China
45. A. those B. ones C. that D. one
46. A. unfairly B. equally C. extremely D.secertly
47. A. happy B.sad C. disappointed D. frightened
48. A.start B. continue C. end D. last
49. A. still B. yet C. instead D.even
50. A.tiring B. touching C. worrying D.interesting
51. A. easy B. funny C. hard D. strange
52. A.sharing B. dividing C. changing D.enjoying
53. A. What’s more B. In reality C. Worse still D. On the other hand
54. A. diligent B. generous C. brave D.intelligent
55. A. make up B. figure out C. think of D. take off
广义上工程咨询单位的组织设计涉及()等内容。
A.管理深度
B.管理跨度
C.管理层次
D.管理制度
E.机构设置
以下是有关HCMV感染的叙述，除了
A．HCMV-IgM阳性提示现症感染或处于活动期
B．HCMV-ISC阳性提示既往或潜伏感染
C．人群中90%HCMV-IeC呈阳性反应
D．双份血清效价呈4倍以上增长提示近期活动感染
E．后天感染主要通过呼吸道传播
卤代烃灭火剂：（）.
A.对B、C类火最有效，也适用于A、D类火，但效果较差
B.对A、C类火最有效，也适合于B、D类火，但效果稍差
C.对A、B类火最有效，不能用于C、D类火
D.对A、D类火最有效，不能用于B、C类火
