Đáp án D. to function => functioning
Giải thích:
Stop V_ing: dừng làm việc gì đang diễn ra
Stop to V: dừng lại để làm gì khác
Dịch nghĩa: Khi mà các chất hóa học ở trong một tế bảo không còn tạo ra được ion nữa thì tế bảo sẽ ngừng hoạt động.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
(A) No other quality is more important (B) for a scientist to acquire (C) as to observe (D) carefully.
A.No other
B.for
C.as
D.carefully.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
When the children realized that they (A) were by themselves in (B) the dark, they (C) became really (D) frightening.
A.were
B.the dark
C.became
D.frightening
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A.The keynote speaker
B.complementary remarks
C.organisers
D.proceed
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A.What
B. about
C.that was
D.close-knit friendship
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A.My
B.is
C.a
D.this weekend
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A.considering
B.postponing
C.the following week
D.because
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A.As seeing
B.from
C.like
D.harbour town.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A.concerned
B.the year 2007
C.which
D.the
Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
(A) One or the other of the secretaries (B) have to attend the meeting. But (C) both of them are reluctant (D) to do so.
A.One or the other
B.have to
C.both of them
D.to do so
