当来自北方的冷气团和来自南方的暖气团,两者势均力敌.强度相当时,它们的交锋区很少移动

题型:单项选择题

问题:

当来自北方的冷气团和来自南方的暖气团,两者势均力敌.强度相当时,它们的交锋区很少移动,这种锋面称为:()

A.静止锋

B.交错锋

C.融合锋

考点:航空、航天科学技术航空、航天科学技术题库
题型:单项选择题

下列一步转化中,一定要加入氧化剂才能实现的是(  )

A.

B.

C.

D.

题型:单项选择题
Even though it was only October, my students were already whispering about Christmas plans. With each passing day everyone became more __36__wthting for the final school bell. Upon its _37____everyone would run for their coats and go hone, everyone except David  
David was a small boy in ragged clothes. I had often _38___what kind of home life David had, and what kind of mother could send her son to school dressed so __39__for the cold winter months, without a coat, boots, or gloves. But something made David __40__I can still remember he was always __41____a smile and willing to help. He always __42__after school to straighten chairs and mop the floor. We never talked much He__43___just smile and ask what else he could do ,then thank me for letting him stay and slowly__44___home  
Weeks passed and the __45___ovre the coming Christmas grew into restlessness until the last day of__46__before the holiday break. I smiled in ___47 __as the last of them hurried out the door. Turning around I saw David ___48___standing by my desk.
“I have something for you” he said ____49____from behind his back a small box. __50___it to me, he said anxiously. “Open it “I took the box from him, thanked him and slowly unwrapped it. I lift the lid and to my __51__saw nothing I looked at David‘s smiling face add back into the box and said. “The box is nice, David, but it’ s__52__”  
“Oh no it isn’t” said David “It’s full of love, my mum told me before she died that love was something you couldn’t see or touch unless you know it’s there”  
Tears filled my eyes ___53___Iooked at the proud dirty race that I had rarely given____54___to. After that Christmas, David and I became good friends and I never forgot the meaning ___55___the little empty box set on my desk       
小题1:
A.anxiousB.courageousC.seriousD.cautious
小题2:
A.warningB.ringingC.callingD.yelling
小题3:
A.scoldedB.wonderedC.realizedD.learned
小题4:
A.modestlyB.naturallyC.inaccuratelyD.inappropriately
小题5:
A.popularB.upsetC.specialD.funny
小题6:
A.expressingB.deliveringC.wearingD.sharing
小题7:
A.practisedB.wanderedC.studiedD. stayed
小题8:
A.wouldB.shouldC.mightD.could
小题9:
A.aim atB.turn toC.put offD.head for
小题10:
A.argumentB.excitementC.movement D.program
小题11:
A.schoolB.year C.education D.program
小题12:
A.reliefB.returnC.vainD.control
小题13:
A.weaklyB.sadlyC.quietlyD.helplessly
小题14:
A.searchedB.foundC.raisedD.pulled
小题15:
A.HoldingB.HandingC.SendingD.Leaving
小题16:
A.delightB.expectationC.appreciationD.surprise
小题17:
A.cheapB.emptyC.uselessD.improper
小题18:
A.asB.untilC.becauseD.though
小题19:
A.advice B.supportC.attentionD.command
小题20:
A.fromB.behindC.overD.towards
题型:单项选择题

《中华人民共和国政府和大不列颠及北爱尔兰联合王国政府关于香港问题的联合声明》是由哪一机关批准生效的( )

A.国务院

B.全国人大

C.全国人大常委会

D.国家 * *

题型:单项选择题

—Is this her baseball?

—______. [ ]

A. Yes, it isn't

B. No, it is

C. Yes, it is

D. No, she isn't

题型:单项选择题

根据商标法律制度的规定,下列各项中,可成为商标权主体的有( )。

A.自然人

B.公司

C.合伙企业

D.公益组织

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