住房置业担保公司担保的贷款余额的总额，不得超过其实有资本的( )倍。A．10 B．

用一根绳子围成面积为250平方米的图形，有两种方案：一种是圆形，另一种是正方形．选用哪种方案所用的绳子较省？省多少米？（精确到0.01，π=3.14）

有助于增加气体从肺泡内排出，减少肺内残气量的是（）。

A.放松练习

B.腹部加压暗示呼吸法

C.腹部沙袋加压呼吸法

D.缩唇呼气法

E.缓慢呼吸

第二节完形填空（20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

Our friend, Mike, was going to finally see his boys．When he divorced （离婚） his wife, he   36   to a different continent．It was over a year   37  he'd last seen his boys．They were coming to spend one week with him．

38  ,Mike was not accustomed to being with them by himself．Also, he was afraid he didn't have enough money to take them to interesting places．My husband, Steve,   39   some activities which didn't  40  much money and tried to  41   him that he didn't have to spend a lot of money to have fun．

Judging from the distaste on our friend's face, we knew the suggestion wasn't worthy of   42 ．Mike told us that he   43  the view that the amount of   44  spent on his children equaled the amount of love he'd get   45 ．Actually, what his children needed most was his company．He just didn't 46   it, though．

I remember as a child the things my family did that cost   47   nothing at all．A picnic or a walk around the block with my parents after dinner was some of the fondest 48   I had. One Christmas, without   49   things for his girls, my dad presented each of us with a wrapped box inside of which was a sheet of paper that  50  read, "I love you．" I can't even remember what else I opened that Christmas morning．

I remember we took our boys for   51 ．After a wonderful day of telling stories and singing to an audience of trees and a quiet  52 of watching the campfire's dance, they entered the tent screaming with laughter, jumping up and down．Steve   53   no time joining their merrymaking．It's a  54  that will remain in our memory for ages．

Time is the  55   important thing one can spend on a child．

36．A．belonged       B．moved            C．referred       D．adapted

37．A．after         B．as              C．until         D．since

38．A．Therefore    B．Though            C．Besides       D．However

39．A．took          B．suggested          C．provided       D．created

40．A．cost          B．save              C．earn        D．lose

41．A．persuade       B．scold              C．explain        D．recommend

42．A．challenge        B．decision           C．consideration  D．operation

43．A．gave up      B．talked about         C．cared about    D．stuck to

44．A．time          B．money             C．energy      D．love

45．A．in turn       B．in return           C．in vain      D．in total

46．A．get          B．mean             C．guess       D．finish

47．A．practically     B．gradually          C．slightly      D．mainly

48．A．drills          B．experiments        C．lessons         D．memories

49．A．common     B．useful           C．expensive     D．necessary

50．A．approximately B．especially           C．simply        D．mostly

51．A．shopping     B．camping           C．swimming    D．boating

52．A．morning      B．afternoon          C．evening       D．dawn

53．A．spared        B．spent              C．afforded      D．wasted

54．A．sight           B．message           C．signal         D．description

55．A．least         B．last              C．most           D．best

机组在不同负荷下，经过调节到达新的稳态后，机组转速不随负荷变化则为有差调节

推管推出机构对软质塑料如聚乙烯、聚氯乙烯等不能用单一的推管脱模，特别是对薄壁深筒形的产品。需要（）推出机构。

A.推板

B.顺序

C.联合

D.二级