在交流线路中,电压与电流都是随时间作正弦变化。()

题型:判断题

问题:

在交流线路中,电压与电流都是随时间作正弦变化。()

考点:电气运行工考试电气运行工(初级)电气运行工(初级)题库
题型:判断题
Traditional Chinese doctors believe we need a balance of yin and yang to_46__.For example, are you often weak and tired? Maybe you have 47__yin.You should eat hot yang foods, like beef. Eating Dangshen and Huangqi herbs_48__also good_49__this.But people who are too_50___ and angry may have too much yang. Chinese doctors believe that they should eat__51__yin foods like tofu. Chinese medicine is now popular in many__52__.It’s easy_53__a healthy lifestyle ,and it’s _54_ to eat a balanced diet.
As for me, I exercise every day, usually when I come home from school. My_55__ habits are pretty good ,I try to eat a lot of vegetables. I eat fruit and drink milk every day.I never drink _56_.Of course, I love junk food too ,but I try to eat it only _57__.Oh, and I sleep __58__.So you see ,I look after my health .And my healthy lifestyle_59_. Good food and__60__help me to study better.
小题1:
A.be healthB.be healthyC.in healthyD.in health
小题2:
A.too manyB.too muchC.many tooD.much too
小题3:
A.beB.isC.amD.are
小题4:
A.forB.atC.withD.in
小题5:
A.quietB.outgoingC.activeD.stressed out
小题6:
A.littleB.muchC.moreD.less
小题7:
A.placesB.cities C.western countries D.towns
小题8:
A.have B.to haveC.havingD.has
小题9:
A.difficultB.importantC.easyD.interesting
小题10:
A.eatingB.to eatC.eatD.eating
小题11:
A.orange juiceB.coffeeC.apple juiceD.hot water
小题12:
A.one time a weekB.once a week
C.one time for a week D.once for a week
小题13:
A.nine hour every night
B.nine hours every night
C.nine hours every nights
D.nine hour every night
小题14:
A.help me get good grades
B.helps me get good grades
C.help me to get good grades
D.helps me getting good grades
小题15:
A.exerciseB.exercisesC.exercisingD.to exercise
题型:判断题

判断石湾豆角属于被子植物的主要依据是

A.能进行光合作用

B.石湾豆角在开花前,雄蕊和雌蕊被花冠包被着

C.有根、茎、叶的分化

D.种子外面有果皮包被着

题型:判断题

苦参中所含的生物碱是()

A.士的宁

B.小檗碱

C.氧化苦参碱

D.莨菪碱

E.麻黄碱

题型:判断题

气管支架的选择原则是()

A.支架直径与正常气管直径一致

B.支架直径小于正常气管直径1~2mm

C.支架直径大于最狭窄处直径1~2mm

D.支架直径较正常气管直径稍大,一般是1.2:1,长度应超出狭窄段上下两端各1.0cm左右

E.支架直径与最狭窄处直径一致

题型:判断题

皮肤针的叩刺部位包括()

A.经络叩刺

B.穴位叩刺

C.局部叩刺

D.滚刺

E.经别叩刺

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