Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions

Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.

A. complicated

B. worldly

C. experienced

D. aware

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions

Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools

A. complicated

B. worldly

C. experienced

D. aware

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions from 25 to 29.

Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.

A. complicated

B. worldly

C. experienced

D. Aware

Select the synonym of the following bold and underlined word in each sentence in the unit:

1/ Can you name the sea animal in each picture?

A. description B. presentation C. scene D. painting

2/ It is divided into five different parts: the Pacific, Atlantic, Indian, Antarctic and Arctic Oceans.

A. individual B. dissimilar C. singular D. many

3/ Together, they cover 75% of our Earth.

A. spread B. curtain C. comprehend D. report

4/ Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.

A. passed B. run C. flown D. conquered

5/ Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.

A. summons B. dare C. objection D. stimuli

6/ Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.

A. complicated B. worldly C. experienced D. aware

7/ They can send submarines and devices to investigate the ocean depths, taking photographs and samples of animal life to bring back to the surface for further study.

A. trace B. explore C. track D. look for

8/ Understanding the interactions of the ocean and marine life gives us an indication of the planet’s health and the effects of human activity.

A. information B. direction C. contribution D. evidence

9/ Small or oversized, plant or animal, the ocean’s living things contribute to its endless variety, its biodiversity.

A. start B. send C. give D. throw

10/ How can scientists now reveal the secrets of the ocean and marine life?

A. announce B. say C. retell D. report

Select the synonym of the following bold and underlined word in each sentence in the unit

At that time scientists discovered that when a sequence of still pictures were set in motion, they could give the feeling of moment.

A. detected

B. founded

C. knew

D. saw