Контрольная работа №7

vera в категроии Английский язык, вопрос открыт 29.03.2018 в 05:14

I. Translate the text.
Machine Elements
Screw fastenings
Machine parts are held together by parts:
a) working in tension,
b) working in shear,
c) creating friction, and
d) using both shear and friction forces.
Types of Fastenings-All fastenings can be divided into two classes- disconnectable fastenings
and permanent joints.
Disconnectable fastenings, in turn are effected by:
a) bolts and screws
b) b) wedges
c) c) dowel pins
d) d) keys
Permanent joints are obtained by means of:
a) press fits
b) shrink fits
c) rivets
d) welding, brazing, and soldering
e) casting
Forms if Threads. Screw fastenings are used for holding two or more machine parts together or
for adjusting one part with relation to another. In screw fastenings the threads are made in several
forms but are always of triangular-type single thread.
Screw threads are made right-hand and left- hand.
II. Write out from the text the sentences with verbs in the form of the Participle or the Gerund or the
Subjunctive mood.
III.Translate the text.
Свеча зажигания — устройство для воспламенения топливно-воздушной смеси в самых
разнообразных тепловых двигателях. Бывают искровые, дуговые, накаливания,
каталитические. В бензиновых двигателях внутреннего сгорания используются искровые
свечи.
IV. Fill in the blanks with the preposition required. Translate the sentences into Russian.
... week-days we work. We rest ... Sundays. I get up ... the morning. We sleep ... night. She
promised to do this work ... time. We have our vacation ... January. We live ... the twentieth century.
We tell the ... a clock or a watch. Our child is in the fresh air ... morning ... night. My father comes
home ... noon.
V. Use the Present Simple or the Present Progressive:
1. Why you (walk) so fast today? You usually (walk) quite slowly.-1 (hurry). I am afraid to miss the
train.
2. Cuckoos (not to build) nests. They (to use) the nests of other birds.
3. I always (to buy) lottery tickets, but I seldom (to win)
4. You cannot (to have) the book now because my brother (to read) it.
5. Some people (to do) everything with their left hand.
6. Who (to make) that terrible noise?-It is my son.
7. How you (to feel)?
VI. Use an adjective or a proverb.
1. If you read this joke (proper) you will understand it.
2. It was a (gay) song and she sang it (gay).
3. She spoke very (good) and everybody wondered where she had learnt to speak so fluently
4. She was (kind ) to him and he was (happy).
5. The children were running among the trees laughing (happy).
6. (Usual) I get up (early) but that Sunday I got up (late).
7. The work must be done (careful).
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