Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My sister is an expert on wildlife and its _________ .
A.conserve
B.preserve
C.conservation
D.reservation

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A.I robots are used ______ dangerous environments containing explosives or contaminated by nuclear weapons.
A.to exploring
B.explore
C.exploring
D.to explore

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Species ______, or species richness, is especially important to life on Earth.
 
A.diversity
B.diversifying
C.diversify
D.diversified

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The ______ of the future will no longer be remedial. It will be preventive.
A.communication
B.technology
C.medicine
D.education

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
This program is used to _______ the new generation robots.
 
A.activated
B.activation
C.activate
D.activating

Một hình trụ có bán kính đáy bằng $\dfrac{1}{4}$ đường cao. Khi cắt hình trụ này bằng một mặt phẳng đi qua trục thì mặt cắt là một hình chữ nhật có diện tích là $50c{{m}^{2}}$. Tính diện tích toàn phần và thể tích hình trụ.
A.${{S}_{tp}}=63\pi (c{{m}^{2}})$; $V=64\pi (c{{m}^{3}})$
B.${{S}_{tp}}=62\pi (c{{m}^{2}})$; $V=62\pi (c{{m}^{3}})$
C.${{S}_{tp}}=62,5\pi (c{{m}^{2}})$, $V=62,5\pi (c{{m}^{3}})$.
D.${{S}_{tp}}=62\pi (c{{m}^{2}})$; $V=62,5\pi (c{{m}^{3}})$

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
In science and medicine, A.I techniques help medical doctors to discover subtle _______between medications that put patients at risk because of their serious side effects.
A.interactions
B.interact
C.interactive
D.interactively

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Visitors come to the museum to admire the relics. They were excavated from the ancient tombs.
A.(4) Excavated from the ancient tombs, visitors come to the museum to admire the relics.
B.(2) Having been excavated from the ancient tombs, the relics attract attention from the public a lot.
C.(3) Visitors come to the museum to admire the relics excavated from the ancient tombs.
D.(1) Visitors come to the museum to be admired with the relics that were excavated from the ancient tombs.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Marie Curie was a famous mathematician and physicist. She also won the Nobel Prize for chemistry.
A.Marie Curie was a famous mathematician rather than a physicist although she won the Nobel Prize for chemistry.
B.Marie Curie, a famous mathematician and physicist, also won the Nobel Prize for chemistry.
C.Winning the Nobel Prize for chemistry, Marie Curie became a famous mathematician and physicist.
D.Marie Curie won the the Nobel Prize for chemistry so she was a famous mathematician and physicist.

Find the word which has a different sound in the part underlined.
A.Canada
B.Japanese
C.agree
D.Cantonese