Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The Global Positioning System (GPS) is a _______ navigation system that provides location information in all weather condition, anywhere on or near the Earth, and can be seen in advanced means of transport.
A.based space
B.space-based
C.basing space
D.space basing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Peter was asked to _______ to a newspaper article making predictions for technological progress in 10 years.
A.invent
B.expect
C.develop
D.contribute

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Those spacecrafts are used ______ taking photographs _______ space.
A.in / off
B.of / at
C.about / through
D.for / in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Nowadays, we can see a medical robot in __________ advanced hospitals.
A.technology
B.technologist
C.technologically
D.technological

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.${{S}_{tp}}=62\pi (c{{m}^{2}})$; $V=62,5\pi (c{{m}^{3}})$