san2612
Member
- Joined
- Jun 9, 2009
- Member Type
- Academic
- Native Language
- Vietnamese
- Home Country
- Vietnam
- Current Location
- Vietnam
1. Our biological clocks govern almost every aspect of our lives. Our sensitivity to stimuli _______ over the course of the day, and our ability to perform certain functions is subject to fluctuations. Consequently, there is a peak time for tasks such as making decisions: around the middle of the day.
A. modifies
B. ranges
C. varies
D. waves
I chose B but the answer is C. Do you think "range over" sounds better?
A. modifies
B. ranges
C. varies
D. waves
I chose B but the answer is C. Do you think "range over" sounds better?