Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.heir
B.honest
C.exhaust
D.height

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.hopes
B.likes
C.serves
D.writes

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.question
B.potential
C.shrine
D.sure

Pick out the word whose underlined part is pronounced differently from that of the other words
A.equals
B.develops
C.values
D.mends

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.spacious
B.facsimile
C.fax
D.transfer

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.dropped
B.joined
C.matched
D.dressed

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A. grade
B. examination
C. academic
D. behave

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A. many
B. plane
C. baby
D. fame

Một dây dẫn uốn thành vòng tròn có bán kính R đặt trong không khí. Cường độ dòng điện chạy trong vòng dây là I. Độ lớn cảm ứng từ B do dòng điện này gây ra tại tâm của vòng dây được tính bởi công thức:
 
A.$ B=2\pi {{.10}^{-7}}\dfrac{R}{I} $ .
B.$ B={{2.10}^{-7}}\dfrac{I}{R} $ .
C.$ B=2\pi {{.10}^{-7}}\dfrac{I}{R} $ .
D.$ B=\dfrac{2}{\pi }{{.10}^{-7}}\dfrac{I}{R} $ .

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in the following question.
A.spends
B.loves
C.joins
D.cooks