Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
All the rings and necklaces _______ from the jeweler have now been recovered.
A.stealing
B.which stole
C.steal
D.stolen

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
When people need money badly, they may commit …………….
A.break
B.crime
C.shortage
D.disease

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Whereas many people have high living standards, a majority of the population still lives in…………
A.motels
B.basements
C.villages
D.slums

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Be careful with ……………. when visiting Paris. Crime rate there is quite high.
A.environment
B.vendors
C.policemen
D.robbers

Sơ đồ phản ứng nào sau đây dùng để sản xuất axit sunfuric trong công nghiệp?
A. $ Fe\to S{{O}_{2}}\to S{{O}_{3}}\to {{H}_{2}}S{{O}_{4}} $ .
B. $ FeO\to S{{O}_{2}}\to S{{O}_{3}}\to {{H}_{2}}S{{O}_{4}} $ .
C. $ N{{a}_{2}}S{{O}_{3}}\to S{{O}_{2}}\to S{{O}_{3}}\to {{H}_{2}}S{{O}_{4}} $ .
D. $ S\to S{{O}_{2}}\to S{{O}_{3}}\to {{H}_{2}}S{{O}_{4}} $ .

Để nhận biết 3 ống nghiệm chứa dung dịch HCl, dung dịch $ {{H}_{2}}S{{O}_{4}} $ và nước ta dùng
A.quỳ tím và dung dịch $ N{{a}_{2}}S{{O}_{4}} $ .
B.quỳ tím và dung dịch $ NaN{{O}_{3}} $ .
C.quỳ tím và dung dịch $ BaC{{l}_{2}} $ .
D.quỳ tím và dung dịch NaCl.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Brazil is ……………… In this country, beaches are very tranquil while cities are crowded.
A.wealthy
B.diverse
C.poor
D.great

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Good………………..helps people to stay healthy and to live longer.
A.poverty
B.dense
C.healthcare
D.crime

Hai kim loại không phản ứng với dung dịch $ {{H}_{2}}S{{O}_{4}} $ đặc nguội là
A.Al, Ag.
B.Al, Fe.
C.Cu, Ag.
D.Cu, Fe.

Oxit tác dụng được với axit clohiđric là
A. $ CO. $
B. $ S{{O}_{2}}. $
C. $ CuO.~ $
D. $ C{{O}_{2}}. $