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
Little Jenny won’t take the bitter medicine even if _____.
#74869
A
making to do
B
is made to
C
made to
D
making to
Don’t put the chair too close to the stove.Dry wood __________ fire easily,you know.
#82191
A
lights
B
burns
C
makes
D
catches
As nobody here knows what is wrong with the machine, we must send for an engineer to ____ the problem.
#65855
A
handle
B
raise
C
face
D
present
In his speech the headmaster __________ to the great help the school received from the district government.
#82206
A
expressed
B
pointed
C
explained
D
referred
单项选择（每题1分）He often speaks of the trouble he _______ to help the orphan.
#76844
A
had
B
found
C
made
D
took