某车间通风系统布置如图所示,已知生产设备散热量Qd=350kW,围护结构失热量Qs=

题型:单项选择题

问题:

某车间通风系统布置如图所示,已知生产设备散热量Qd=350kW,围护结构失热量Qs=450kW,上部天窗排风量Lzp=2.78m3/s,局部排风量Gjp=4.16m3/s,室内工作区温度tn=20℃,室外空气温度tw=-12℃,机械进风温度tjj=37℃,车间内温度梯度,从地面到天窗中心线的距离为10m,则机械进风量Gjj为()m3/s。

(空气密度见下表)

A.6.70

B.6.20

C.6.36

D.6.57

考点:注册公用设备工程师暖通空调专业案例勘察设计注册公用设备工程师暖通空调专业案例
题型:单项选择题

根据支付结算法律制度的规定,下列银行卡中,发卡银行对其账户内存款不计付利息的是()。

A.准货记卡

B.贷记卡

C.专用卡

D.传账卡

题型:单项选择题
The power of encouragement is great. You may draw some inspiration from the following story.
Dante Gabriel Rossetti, a famous 19th-century poet and artist, was once ______ by an elderly man. The old man had some sketches (素描) and drawings that he ______ Rossetti to look at and tell him if they were any good, or if they at least showed_____ talent.
Rossetti looked them____carefully. After the first few, he knew that they were worthless, showing not the least ____of artistic talent. But Rossetti was a_____ man, and he told the elderly man as gently as possible that the pictures were of little ______ and showed little talent. He was sorry, but he could not ____ to the man.
The visitor was ____, but seemed to expect Rossetti’s ____. He then apologized for ______ Rossetti’s time, but would he just ____a few more drawings—these done by a(n) ____ art student? Rossetti looked over the____ batch (一批) of sketches and immediately became enthusiastic over the talent they_____. “These,” he said, “oh, these are good. This young student has great talent. He should be given every____and encouragement in his career as an artist. He has a____future if he will work and stick to it.” 
Rossetti could see that the old man was ______ moved. “Who is this fine young artist?” he asked. “Your son?” “No.” said the old man sadly. “It was I who painted the pictures 40 years ago. ____ I had heard your praise then! For you see, I got discouraged and___ drawing—too soon.”
小题1:
A.helpedB.visitedC.inspectedD.requested
小题2:
A.hopedB.madeC.hadD.wanted
小题3:
A.potentialB.commercialC.officialD.spiritual
小题4:
A.upB.onC.overD.down
小题5:
A.signB.markC.chanceD.view
小题6:
A.rudeB.kindC.talentedD.creative
小题7:
A.helpB.priceC.valueD.quality
小题8:
A.speakB.apologizeC.listenD.lie
小题9:
A.disappointedB.annoyedC.delightedD.puzzled
小题10:
A.achievementB.adjustmentC.statementD.judgment
小题11:
A.taking upB.turning upC.making upD.looking up
小题12:
A.aim atB.glare atC.look atD.stare at
小题13:
A.oldB.youngC.famousD.talented
小题14:
A.firstB.secondC.thirdD.last
小题15:
A.reviewedB.exposedC.showedD.rejected
小题16:
A.helpB.timeC.chanceD.work
小题17:
A.charmingB.boomingC.promisingD.touching
小题18:
A.slightlyB.smoothlyC.simplyD.deeply
小题19:
A.If onlyB.Only ifC.Now thatD.As long as
小题20:
A.insisted onB.gave upC.headed toD.led to
题型:单项选择题

贯彻依法从重从快惩处严重刑事犯罪分子政策应注意的问题有( )。

A.注意特定适用范围

B.从重从快关键的是看时局发展

C.依法从重从快惩处严重刑事犯罪分子,并不意味对其他刑事犯罪分子一律从宽或不予处罚

D.必须坚持以事实为根据,以法律为准绳

题型:单项选择题

()是指教师根据学生已有的知识和经验,把教材内容组织成若干问题,引导学生积极思考、开展讨论、得出结论,从而获得知识、发展智力的一种方法。

题型:单项选择题

一组并列的蛇形管,受热较强的管子比受热较弱的管子的循环流速()。

A.大;

B.相等;

C.小。

更多题库