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【单选题】
关于物理知识的应用，下列说法错误的是（ ）A.
抽油烟机能将油烟抽走，是因为空气流速越大的位置压强越小
B.
B超和声呐都是利用声传递信息的
C.
三峡船闸是连通器的应用
D.
验钞机利用红外线使钞票上的荧光物质发光
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【单选题】It can be inferred from the passage that______.
A.
flexible working hours satisfies both the employers and employees
B.
children's opinion should be taken into consideration
C.
flexible working hours has been existing for too long
D.
the government is making effort in helping parents
【简答题】孕妇30岁,妊娠35周,因中度妊高征入院,胎心140次/分。目前用硫酸镁治疗。护理措施哪项不正确( )。 A.有水肿者应限制钠盐的摄入; B.常规吸氧; C.发生子痫时应立即终止妊娠; D.第二产程指导产妇屏气以缩短产程; E.发展为重度时应安排在安静、光线较暗的病室。
【简答题】Working from home is flexible and beneficial not only to the employees but also to the (employ)______.
【单选题】What suggestion does Sarah Jackson make concerning the flexible working hours?
A.
Fathers, as well as mothers, should try to apply for the flexible working hours.
B.
The flexible working hours can solve the conflict between family and work.
C.
Flexible working hours can help make families stronger.
D.
Flexible working hours will make the already existing inequalities worse.
【简答题】describe the procedure to start an emergency generator ?
【简答题】Flexible working hours, homeworking opportunities and cover for emergencies or school holidays are the top concerns for working mothers, according to a British survey on Thursday. The survey of 1,677 ...
【简答题】The term used to describe the crystallinity ofpolymers is ______
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