问题 问答题 简答题

调浆箱的目的和原理?

答案

参考答案:目的:
(1)和调节装置配合,调节向造纸机的供浆量,从而调节纸张的定量;
(2)在纸浆浓度不变的情况下,保证稳定地向造纸机供浆。
原理:(中级以上)
高位箱来稳定供浆的压力,利用自动或手动调节阀来调节及稳定供浆量

完形填空

第三节:完形填空(共20小题:每小题1.5分,满分30分)

阅读下面短文,从短文所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。

For Senior 3 students, choosing which college to attend can be the most exciting and thrilling time in their entire school lives. This is also true for an American girl 21   Melanie.

Melanie’s dad, James Porter, who is the chief of police for a Chicago suburb, wants Melanie to 22  nearby Northwestern University, where she’s 23  been accepted. But Melanie, 17,really wants to go to Georgetown University in Washington, D.C, where she’s been wait-listed.

When she gets an unexpected 24  from Georgetown University, she decides to 25  a road trip with a few 26  female friends. Melanie believes it is her first step 27  adulthood.

But 28  the fact that this trip is “girls only”, James isn’t 29  with the prospect(期望) of his little princess 30  the world without him. He wants to protect her, so he joins the girls and hopes he can convince Melanie to go to Northwestern. 31  Melanie’s father only has the best of 32  , his presence 33  an endless series of comic encounters(遭遇).

After following their faulty device   34   into the backwoods (偏远地区), James and Melanie   35   Melanie’s little brother and his pet pig have been hiding in the spare compartment (隔间). What should be a simple change   36   the expensive car rolling down a mountain, forcing them to hike to a nearby hotel…

All these disasters add spice to their trip while along the way a father and a daughter   37   get the chance to really   38   each other.

All parents,   39   they have college students or not, can relate to the bittersweet realization that their kids are growing up.   40   what Melanie and James have done, we all can find the delicate (脆弱的) balance between staying connected and letting go.

21.A.named         B.naming     C.namely        D.names

22.A.join          B.send     C.attend          D.pass

23.A.still          B.always      C.yet           D.already

24.A.appointment     B.interview  C.visit         D.meeting

25.A.provide       B.offer     C.take          D.hold

26.A.closing        B.close     C.closed          D.closely

27.A.toward        B.for       C.during         D.with

28.A.though        B.in spite     C.once         D.despite

29.A.satisfying     B.successful C.comfortable     D.meaningful

30.A.seeking        B.examining C.searching     D.exploring

31.A.Since              B.Because    C.While          D.When

32.A.intentions     B.attempts    C.efforts         D.planning

33.A.comes about     B.leads to     C.calls in        D.turns out

34.A.lately              B.late      C.deeply         D.deep

35.A.discover      B.invent       C.recognize     D.realize

36.A.succeeds in      B.brings in   C.results from     D.certainly

37.A.hopefully     B.finally      C.firstly          D.certainly

38.A.agree to       B.speak to    C.talk to         D.turn to

39.A.whether       B.if         C.what         D.why

40.A.As           B.Like     C.For          D.Except

单项选择题