Part I Cloze Test Directions: This part, numbered 1 to 15, is to test your grammar and vocabulary ability
Each of the blanks (N0
1 to No
15) is followed by four choices of suggested choices marked A), B), C) and D)
Make the best choice and write the corresponding letter on the Answer Sheet
Workers aren’t allowed to go into a huge underground computer center 1 they step up to a machine that 2 a quick picture of the tiny blood vessels(管) inside their eyes
If the machine can’t 3 the picture with images in its computer, the worker is 4 by security (安全) guards
Each person has his own pattern of blood vessels in his or her eyes
And unlike a key, the pattern can’t be 5
Old --fashioned keys and locks may soon be things of the past
High-—tech security devices(装置) are being 6 at military ba