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5 Rewrite these sentences to give the same or similar meaning.

31 Our contractor took the photos and wrote the report.

The report ____________________ and the photos ____________________ our contractor.

32 Here’s a suggestion. You could close your program and reboot your computer.

Here’s a suggestion. Why _______________ try _________________________?

33 The water that flows down from the dam drives the turbine.

The turbine ____________________ the water which ____________________.

34 I’m sure that yesterday’s e-mail brought a virus into my computer.

Yesterday’s e-mail must ________________________________________.

Section 3: Reading

6 These phrases are missing from description of the new type of engine. Decide where they fit. Write a letter (a – j) in each space.

A ordinary water is pumped into the cylinder

B which forces the piston down

C which uses this heat

D is very hot

E pushes the steam out of the cylinder

F you can touch the engine block

G intake valve

H into steam

I cools the engine from inside

J on the normal four-stroke engine

The six-stroke internal combustion engine – a new invention

Four-stroke internal-combustion engines waste a lot of heat. Here is my idea for a new invention (35)_____ and converts it into more energy. My new invention is the six-stroke engine. It’s based (36)_____, but it has two extra strokes and one extra (37)_____. What do you think comes into the engine through this valve? It’s water!

After the exhaust gases flow out of the engine cylinder, (38)_____ through the extra valve. Inside the cylinder, which (39)_____, the water immediately changes (40)_____. The steam expands to 1,600 times its volume, (41)_____ for a second power stroke.

Then a second exhaust stroke (42)_____, and then the six-stroke cycle begins again.

This six-stroke water-injection cycle provides extra power, but it also (43)_____ . When the engine is running, (44)_____ with your hand. It’s not hot, but only warm!

Section 4: Writing

7 You are a computer specialist. Write replies to these frequently asked questions about computer problems. Use the information in the table.

Problem

Diagnosis

Solution

Computer frozen

program not responding

press ctrl-alt-del & click end task

Can’t open a program: not enough memory

too many programs running

close unnecessary programs

Can’t save a document: access denied

opened same document twice

close extra document

Document disappeared

selected text, then deleted text

click “undo” button

Q: My computer has frozen. When I try to use the mouse or the keyboard, nothing happens.

45 Diagnosis: The program might ________________________________________ .

46 Solution: Try _______________________ ctrl-alt-del and then try _____________________ end task.

Q: I can’t open a program. A message says not enough memory.

47 Diagnosis: Too many programs may______________________________ .

48 Solution: You could try________________________________________ .

Q: I can’t save my Word document. A message says access denied.

49 Diagnosis: You must________________________________________ .

50 Solution: Why don’t________________________________________ ?

Q: My Word document has just disappeared from the screen. The screen has gone blank.

51 Diagnosis: You might ______________________________ and then you must ______________________________.

52 Solution: You should try______________________________________________.