Remove the batteries when they become weak or when the unit is not in use for extended periods. This will damage to the unit from battery leakage at such times.
#75305
A
disappoint
B
concern
C
instruct
D
prevent
推荐题目
So many women take up walking as a regular form of exercise every day, which, of course,is to their health.
#64883
A
of useful
B
greatly use
C
of benefit
D
greatly benefit
What disappointed us was that their determination finally ___.
#76301
A
gave off
B
gave out
C
gave up
D
gave in
Filled with anger, he didn’t shout or swear, but just ________ silently at me.
#64959
A
glared
B
saw
C
looked
D
glanced