Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 21 to 25.

 

Located in central Africa, Lake Victoria is a very unusual lake. __(21)__ of the largest lakes in the world; it is also one of the youngest. Estimated to be about 15,000 years old, it is a relative baby compared with Earth’s other very large lakes, __(22)__ more than two million years old. Yet judging by the variety of life in it, Lake Victoria __(23)__ a much older body of water. Usually, lakes need a much longer time __(24)__ by a diverse array of life-forms. It is common for new lakes to contain only a small number of species. Lake Victoria, however, is packed with colorful fish, most notably, cichlids. There are __(25)__ 500 different species of just this one type of fish.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 6 to 10.

Children (6) _______appear intelligent and have normal sight and hearing may nevertheless have learning disability such as dyslexia, difficulty in reading; dysgraphia, difficulty in writing; dyscalculia, difficulty with numbers; and auditory-memory problem that (7) _______the child from remembering what has just been said. Considered an "invisible" (8) ) _______ , such learning disabilities can be detected by alert parents before the children go to school. (9) _______  the child at about thirty months is not developing normal language skills, something is amiss. A child who cannot do puzzles or put pegs in holes lacks perceptual-motor skills. Kindergarteners should (10)______the ABCs. First-graders may commonly reverse their letters, writing ad or ab, but if they are still doing this at the start of second grade, they should be tested for learning disabilities. Proper and early treatment is essential.

she forget it all tomorrow? I suspect the (28)_____.