Đáp ánC Các học sinh không được động vào các hóa chất trừ khi dưới sự kiểm soát của giáo viên (không phài là “nếu”, mà là “trừ khi”) -> sửa thành: unless
Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
Question 5: Students (A) are not allowed to handle (B) these chemicals (C) if they are under the supervision (D) of a teacher.
A. Are
B. These
C. If
D. Of
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.
These exercises (A) look easy (B), but they are very relatively (C) difficult for us (D).
A. These exercises
B. easy
C. very relatively
D. for us
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.
These exercises look easy, but they are very relatively difficult for us
A. These exercises
B. easy
C. very relatively
D. for
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.
Nearly (A) chemical agents are harmful (B) to living tissues (C) if enough of them is taken (D).
A. Nearly
B. are harmful
C. living tissues
D. is taken
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.
Insurance rates are not the same for different people (A) because (B) they are not likely (C) have (D) the same risk.
A. because
B. they
C. have
D. the same risk.
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
So extensive (A) the lakes are that they (B) are viewed as the (C) largest bodies (D) of fresh water in the world.
A. the lakes are
B. are viewed as
C. largest
D. of fresh water
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.
So extensive (A) the lakes are that they (B) are viewed as the (C) largest bodies (D) of fresh water in the world
A. the lakes are
B. are viewed as
C. largest
D. of fresh water
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.
All nations may have to make (A) fundamental changes (B) in their economic, political, and the technological institutions (C) if they are to preserve (D) environment.
A. have to make
B. changes
C. the technological institutions
D. to preserve
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 boulders are made of(A) rock that is different from the bedrock which(B) they(C) or the soil of the field rests, they are called(D) erratics
A. are made of
B. which
C. they
D. are called
