【单选题】The example given in the passage implies that ______.
A.
participation in interesting activities relating to a subject improves one’s achievement in that area
B.
school principals do more than their share in interpreting the curriculum to their parents
C.
only a small part of the school day should be set apart for drilling in arithmetic
D.
teachers should occasionally make home visit to parents
【简答题】在实验(二)3 看门狗超时的实验中: 1.T32的预设值小于500ms,在I0.3的上升沿,是否会因为看门狗超时自动切换到STOP模式。 2.Q0.3对应的LED是否比Q0.5对应的LED延迟点亮约0.5s,并解释原因。 3.当设置T32的预设值大于500ms(例如520ms),在I0.3的上升沿,CPU是否会自动切换到STOP模式。 4.切换到STOP模式后,查看到“PLC信息”对话框中的事件记...
【单选题】进行大量不保留灌肠时,成人患者每次用液量为
【单选题】Isolating and locking out machinery means:
A.
Switching off the machine while it is not in use.
B.
Locating the machine away from busy work areas.
C.
Fitting a padlock or locking device so the machine cannot be accidentally turned on.
D.
Switching the machine off during maintenance, cleaning and repair.
【单选题】Isolating a machine means:
A.
switching off the machine
B.
moving the machine away from busy work areas
C.
placing a locking device so the machine cannot be accidently turned on
【单选题】成人进行大量不保留灌肠时,每次灌肠液量为
【单选题】Isolating a machine means:
A.
placing a locking device so the machine cannot be accidently turned on
B.
moving the machine away from busy work areas
C.
switching off the machine
【单选题】成人进行大量不保留灌肠时,每次灌肠液量为