题目：
Before the final examination, many students have shown________of tension.Some have trouble in
sleeping while others have lost their appetite. [ ]
A. signs
B. marks
C. anxiety
D. remarks
答案：
答案：A
Before the final examination, many students have shown________of tension.Some have trouble in
sleeping while others have lost their appetite. [ ]
A. signs
B. marks
C. anxiety
D. remarks
答案：A
