感光材料的保护层具有（）或产生摩擦灰雾的作用。A、有良好的耐光、耐寒、耐热等性能 B

患儿，2岁，不会独立行走，智力落后。查体：眼距宽，鼻梁低平，伸舌，皮肤细嫩，小指短向内侧弯曲，通贯手。此患儿最可能的诊断是（）

A.呆小病

B.先天愚型

C.佝偻病活动期

D.软骨发育不良

E.苯丙酮尿症

2011年黑龙江省粮食总产量在连续八年喜获丰收的基础上跃居全国首位，黑龙江成为全国产粮第一大省。取得这一骄人成绩的原因是：我省坚持__________________________。[ ]

A．以粮食生产为中心

B．把发展经济作为首要工作

C．非公有制经济的主体地位

D．走中国特色社会主义道路

It is universally known that friendship is one of the permanent themes in the literature of all languages. Friends are people who willingly and readily help us when we are in trouble, and show   36  for us when we are in misery. This is   37   human beings were born to need the warmth and laughter of friends. Some of us like    38  friends, while others different friends. Personally,I prefer both. 

It goes without saying that having similar friends has many    39  , We can feel a renewed sense of    40  when we have a group of old friends who would    41    our sufferings and happiness.   42  ,  old friends always  know  how to   43  mutual trust（互信）and how to avoid    44    conflicts. I always feel    45   when I meet an old friend after a long   46 . Immediately, hearty laughter    47    the atmosphere. 

Nevertheless I believe that a mixture of friends is    48  advantageous. One can ___49___ various sorts of friends in three aspects. First, frequent    50  with different friends broadens my world   51   ．Just as various kinds of nutriments keep you healthy, making a   52   of friends keeps you lively. Secondly , I have found that the   53  friends cannot only    54  new adventures but alse show me new   55  to success in life. Thirdly, they can help me with whatever difficulties I encounter in life. 

To conclude, I prefer to have both types of friends and as many as possible. Of course, I will not forget friends wisely.

36．A．direction          B．respect                    C．sympathy         D．anxiety

37．A．because           B．why                       C．how                D．What

38．A．true                 B．right                       C．same               D．similar

39．A．problems         B．advantages             C．disadvantages   D．duties

40．A．tension            B．challenge                C．strength          D．oppression

41．A．share              B．convey                   C．guarantee         D．cause

42．A．Therefore        B．Otherwise               C．However          D．Moreover

43．A．lack                B．abandon                  C．bear                D．maintain

44．A．obvious           B．impossible                 C．impressive       D．hidden

45．A．stressed           B．worried                  C．delighted         D．confused

46．A．experience       B．departure                C．work               D．discussion

47．A．fills                B．weakens                  C．ruins               D．buries

48．A．eagerly            B．equally                  C．bitterly            D．rarely

49．A．make with              B．benefit from           C．result from       D．appeal to

50．A．quarrel            B．contact                   C．argument               D．view

51．A．attitude            B．position                  C．outlook         D．ambition

52．A．range                     B．series                      C．quantity           D．variety

53．A．strange            B．doubtful                 C．available          D．different

54．A．result from      B．stick to                   C．attend to          D．lead to

55．A．avenues          B．appeal                    C．benefit             D．attitude

金锁固精丸的主治病证是

A.肾阳亏虚之遗精

B.膀胱虚寒之遗尿

C.脾肾两虚之遗精

D.心肾两虚之遗精

E.肾虚不固之遗精

下面对镉脆的描述错误的是（）？

A、镉脆断裂是一种延迟性断裂

B、退火状态的合金钢对镉脆更敏感

C、合金钢对镉脆很敏感

D、只有温度而没有应力时不会发生镉脆