Бар 5.-1 No 10
1. I wonder why late
a) they b) they are c) are they
2. Neither Kate nor her friends ... the game
a) never play b) don't play c) play
3. Mary offers ... some sandwich
a) make b) to make c) makes
4. Inga buys neither cheese ... butter
a) and
b) or c) nor
5. Granny asks me ... eat ice cream.
a) don't b) not
6. She asks where
a) do they live
b) they live c) have they lived
c) not to
7. Who ... the computer the other day?
a) used
b) has used
c) did use
8. Either Boris or Peter ... spoken to the teacher about it.
a) is
b) have
c) has
9. Jerry asked ... snow the next week.
a) will it b) if it will c) if it would
10.. ... of them lives in Vladimir?- a) Which b) Who c) What
1.What is drilling used for?
To cut or enlarge a hole in solid materials.
2. What is a drill bit?
The drill bit is a multipoint, end cutting tool.
3.What operations is a drill used in?
Drills are commonly used in woodworking, metalworking, and construction and most "do it yourself' projects. Specially designed drills are also used in medicine, space missions and other applications.
4.When was the first electric drill invented?
in 1889
5.What main parts does a drill press consist of?
A drill press consists of a base, column, table, spindle, and drill head, usually driven by an induction motor.
6.What advantages does a drill press have over a hand-held drill?
A drill press has a number of advantages over a hand-held drill:
Less effort is required to apply the drill to the work piece. The movement of the chuck and spindle is by a lever working on a rack and pinion, which gives the operator considerable mechanical advantage.
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