-
Câu hỏi:
Most oxygen atoms have eight neutrons, but a small amount have nine or ten.
-
A.
Most
-
B.
have
-
C.
amount
-
D.
or ten
Lời giải tham khảo:
Đáp án đúng: C
Kiến thức: Lượng từ
Giải thích:
an amount of + danh từ không đếm được và động từ chia theo S số ít
a number of + danh từ đếm được và động từ chia theo S số nhiều
“oxygen atoms” (nguyên tử oxy) là danh từ đếm được dạng số nhiều.
Sửa: amount => number
Tạm dịch: Hầu hết các nguyên tử oxy có tám neutron, nhưng một số lượng nhỏ (các nguyên tử này) có chín hoặc mười (neutron).
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
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