. ____ Lake Baikal is only ____ ninth largest lake in area at 385 miles (620km) in length and 46 miles (74km) in width
A.0 – the 
B.the – a 
C.a – the
D.the – the

Ever since it was first possible to make a real robot, people have been hoping for the invention of a machine that would do all the necessary jobs around the house. If boring and repetitive factory work could be  (31)            by robots, why not boring and repetitive household chores too?
For a long time the only people who really gave the problem their attention were amateur inventors And they came up against a major difficulty. That is, housework is (32)             very complex. It has never been one job it has always been many. A factor robot carries (33)                    one task endlessly until it is reprogrammed to do something else. It doesn’t run the whole factory. A housework robot on the other hand, has to do several different types of cleaning and carrying jobs and also has to cope with all the different shapes and positions of rooms, furniture, ornaments, cats and dogs.
 (34)               , there have been some developments recently. Sensors are available to help the robot locate objects and avoid obstacles. We have the technology to produce the hardware. All that is missing the software- the programs (35)                          will operate the machine.
(31)
A.managed 
B.made
C.succeeded
D.given

__________(13)
A.close     
B.similar 
C.used 
D.pleasant

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.busy
B.lettuce
C.bury
D.minute

The phrase “on medication” in paragraph 3 is similar in meaning to ___________.
A.studying medicine at college                             
B.receiving medical treatment                      
C.suffering anxiety or depression                
D.doing medical research

I have a _________ sister.
A.seven years old                                         
B.seven – years-old
C.seven – year-old                                           
D.seven year olds

___________ (6)
A.
B.
C.
D.

Read the following passage and mark the letter A, B, C. or D on your answer sheet to indicate the correct answer to each of the questions.
Throughout the existence and envolvement, the world has undergone various changes. In the history of technology, computers and calculators were innovative developments. They are essentially different from all other machines because they have a memory. This memory stores instructions and information. In a calculator, the instructions are the various functions of arithmetic, which are permanently remembered by the machine and cannot be altered or added to. The information consists of the numbers keyed in.
An electronic pocket calculator can perform almost instant arithmetic. A calculator requires an input unit to feed in numbers, a processing unit to make the calculation, a memory unit, and an output unit to display the result. The calculator is powered by a small battery or by a panel of solar cells. Inside is a microchip that contains the memory and processing units and also controls the input unit, which is the keyboard, and the output unit, which is the display.
The input unit has keys for numbers and operations. Beneath the key is a printed circuit board containing a set of contacts for each key. Pressing a key closes the contacts and sends a signal along a pair of lines in the circuit board to the processing unit, in which the binary code for that key is stored in the memory. The processing unit also sends the code to the display. Each key is connected by a different pair of lines to the processing unit, which repeatedly checks the lines to find out when a pair is linked by a key.
The memory unit stores the arithmetic instructions for the processing unit and holds the temporary results that occur during calculation. Storage cells in the memory unit hold the binary codes for the keys that have been pressed. The number codes, together with the operation code for the plus key, are held in temporary cells until the processing unit requires them.
When the equals key is pressed, it sends a signal to the processing unit. This takes the operation code-, for example, addition-and the two numbers being held in the memory unit and performs the operation on the two numbers. A full adder does the addition, and the result goes to decoder in the calculator’s microchip. This code is then sent to the liquid crystal display unit, which shows the result, or output, of the calculation.
             ( Source. Adapted from http//:www.grid unep.tech)
Which of the following could NOT be said about calculators?
A.Pressing a key activates a calculator. 
B.Calculators require a lot of instrcuctions to operate quickly.
C.Calculators need an input unit to feed in numbers.
D.Calculators and computers are similar.

__________(63)
A.until
B.when
C.as
D.that

A.which
B.every   
C.each 
D.none