民间有这样一种现象,“生不出儿子怪老婆”。请问,理论上“生男”还是“生女”是由谁

题型:选择题

问题:

民间有这样一种现象,“生不出儿子怪老婆”。请问,理论上“生男”还是“生女”是由谁来决定的(  )

A.父、母亲产生的性激素

B.母亲提供的卵子

C.父亲提供的精子

D.受精卵生长环境

考点:生物的遗传和变异
题型:选择题

在集装箱进出口货运程序中,通常,集装箱货运的空箱由发货人到指定的集装箱码头堆场领取。拼箱货运的空箱则由()负责领取。

A.集装箱托运人 

B.集装箱承运人 

C.集装箱堆场 

D.集装箱货运站

题型:选择题

婴幼儿流脑临床表现常不典型,见于()

A.有咳嗽等呼吸道症状

B.拒食,呕吐,腹泻等消化道症状

C.烦躁不安,尖叫,惊厥

D.囟门隆起,脑膜刺激征可不明显

E.囟门隆起,脑膜刺激征明显

题型:选择题
A boy was walking home from school when he saw a large, tempting(诱人的)apple on one of the branches of an apple tree hanging out over a tall fence. The boy wasn’t much of a fruit-eater,  26 a bar of chocolate if given the choice,  27  , as they say, the forbidden fruit can be tempting. Seeing the apple, the boy wanted it. The more he looked at it, the 28 he felt and the more he wanted that apple.
He stood on tiptoe(脚尖),29 as high as he could, but even as his tallest 30 he was unable to touch it. He began to  31 up and down, as high as he could, at the  32 of each jump stretching his arms to get the apple. Still it remained out of  33 .
Not giving up, he thought, if only he had something to  34 on. His school bag wouldn’t give enough height and he didn’t want to  35 the things inside, like his lunch box, pencil case, and Gameboy. Looking   36 , he hoped he might find an old box, a rock , or,  37 luck, even a ladder, but it was a tidy neighborhood and there was nothing he could use.
He had tried everything he could think to do,   38  seeing any other choices, he gave up and started to walk   39 . At first he felt angry and disappointed thinking about how hungry he had become from his  40 , and how he really wanted that apple. The more he 41  like this, the more unhappy he became.
42 , the boy of our story was a pretty smart guy, even if he couldn’t always get what  he wanted. He started to say to himself, “ This isn’t  43 , I don’t have the apple and I’m feeling miserable as well. There’s  44 more I can do to get the apple—hat is unchangeable—but we are supposed to be able to  45 our feelings. If that’s the case, what can I do to feel better?
小题1:
A.preferringB.offering C.receivingD.allowing
小题2:
A.soB.thenC.butD.or
小题3:
A.sadderB.angrierC.hungrier D.tastier
小题4:
A.expandingB.stretchingC.swingingD.pulling
小题5:
A.strength B.lengthC.range D.height
小题6:
A.jump B.look C.walk D.glance
小题7:
A.tip B.stageC.topD.level
小题8:
A.hope B.hand C.sightD.reach
小题9:
A.put B.stand C.get D.hold
小题10:
A.breakB.shakeC.take D.strike
小题11:
A.upB.forward C.down D.around
小题12:
A.forB.with C.on D.of
小题13:
A.After B.ThroughC.Without D.Upon
小题14:
A.backB.awayC.upD.down
小题15:
A.wishesB.beliefsC.effortsD.goals
小题16:
A.thoughtB.imagined C.triedD.claimed
小题17:
A.ThereforeB.HoweverC.MoreoverD.Otherwise
小题18:
A.skillfulB.cheerfulC.harmful D.helpful
小题19:
A.somethingB.anythingC.everything D.nothing
小题20:
A.change B.express C.forget D.describe
题型:选择题

中国人民志愿军开赴朝鲜是因为(  )

①朝鲜爆发内战         ②美国侵略军严重威胁中国安全

③美国出兵侵略朝鲜      ④朝鲜政府请求中国出兵援助

A.①②③④

B.②④

C.①③④

D.②③④

题型:选择题

好发于后纵膈的肿瘤是()

A.支气管囊肿

B.胸内甲状腺肿

C.神经源性肿瘤

D.胸腺瘤

E.心包囊肿

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