题目:
Lacking information about energy use,people tend to overestimate the amount of energy used byequipment, such as lights, that are visible and must be turned on and off and underestimate thatused by unobtrusive equipment,such as water heaters.
选项:
A、equipment, such as lights, that are visible and must be turned on and off and underestimate thatequipment, such as lights, that are visible and must be turned on and off and underestimate it when
B、equipment, such as lights, that is visible and must be turned on and off and underestimate it when
C、visible equipment, such as lights, that must be turned on and off and underestimate that
D、visible equipment,such as lights,that must be turned on and off and underestimate it when
答案:
D