Choose the answer among A, B, C, D to complete each of the sentences below:
People can become very___when they are stuck in traffic for a long time.
A.nervous
B.stressful
C.bad-tempered
D.pressed

Choose the answer among A, B, C, D to complete each of the sentences below:
Today, some students tend to ____ the importance of soft skills as they solely focus on academic subjects at school.
 
A.emphasize
B.overlook
C.implement
D.urge

Choose the answer among A, B, C, D to complete each of the sentences below:
Many _______ men remarry and have second families.
A.divorced
B.family
C.single
D.married

Choose the letter A, B, C or D to indicate the best answer to the following question.
The stomach of a cow, ______ that of other ruminants, is divided into four compartments.
A.same
B.similar
C.likely
D.like

Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
A lot of different conservation efforts have been made to _______ endangered species.
A.do
B.save
C.kills
D.make

Choose the answer among A, B, C, D to complete each of the sentences below:
One third of the world's population _______ two thirds of the world's resources.
A.consumes
B.supports
C.absorbs
D.drains

Choose the answer among A, B, C, D to complete each of the sentences below:
He is an expert _______ economics.
A.with
B.at
C.of
D.in

Oxit bắt buộc phải có nguyên tố
A.lưu huỳnh.
B.hiđro.
C.halogen.
D.oxi.

Khái niệm oxit là:
A.Oxit là hợp chất của oxi với nguyên tử khác
B.Oxit là hợp chất có nhiều nguyên tố, trong đó có một nguyên tố là oxi
C.Oxit là hợp chất của hiđro với một nguyên tố khác
D.Oxit là hợp chất của oxi với một nguyên tố khác

Dãy gồm các chất thuộc loại oxit bazơ là:
A.$ CaO;\,\,{{K}_{2}}O;\,\,MgO;\,\,F{{e}_{2}}{{O}_{3}} $.
B.$ FeO;\,\,CaO;\,\,C{{O}_{2}};\,\,{{N}_{2}}{{O}_{5}} $.
C.$ CuO;\,\,M{{n}_{2}}{{O}_{3}};\,\,C{{O}_{2}};\,\,S{{O}_{3}} $.
D.$ CaO;\,\,N{{O}_{2}};\,\,{{P}_{2}}{{O}_{5}};\,\,MgO $.