If one has never tasted bitter, he or she does not understand _____ is sweet.[ ]A. thatB. whichC. wh

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• It is generally considered unwise to give a child he or she wants.[ ]A. however B. whateverC. whiche
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• The visitors ____ that they ____ very glad to visit our company. [ ]A. said; were B. said; had been
• 在探究根生长最快的部分的实验中，应将实验所用的玉米种子完全浸没在水中。[]-七年级生物
• 在根尖的四个部位都做上颜色标记后，将幼苗种植在盛有疏松土壤的玻璃器皿中，使根贴壁生长，一段时间后，根上的颜色标记最先消失的是[]A．成熟区B．伸长区C．分生区D．根冠-七年级生物
• 探究“根的什么部位生长最快”时，选用的材料应该是（）A．生长迅速的幼根B．生长健壮的白色的根C．生长缓慢的黄色根D．生长缓慢的老根-生物
• 锦州五中七年级同学们以生长迅速的玉米幼根为研究对象，探究了“根什么部位生长最快”．下面是其中一个班的同学们所设计的方案及连续三天测量结果的平均值．探究方案设计分段时间-生物
• I really don't know _____ I had my money stolen.[ ]A. when was it thatB. that it was when C. wh
• 某工艺品厂要从一块矩形的石板中截断的方式割出一块与原矩形各边分别平行的较小的矩形石板（如图），“截断切割”是指每次割沿一条直线将石板切割成两块．设切割的成本与切割长度-数学
• The road has been destroyed. _____ if he can be here on time. [ ]A. I doubtB. I don't doubt C.
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• The teacher asked me _____. [ ]A. that I had finished my homework B. that had I finished my homework
• Can you tell methe railway station?[ ]A. how I can get toB. how can I get toC. where I can get toD.
• It was not until dark _____ he found _____ he thought was the correct way to solve the problem. [ ]A
• He asked ____ for the violin. [ ]A. did I pay how much B. I paid how muchC. how much I paid D. how m
• Now that you have a job, you must exert (努力) yourself in ______ you do at work.[ ]A. howeverB. no ma
• As a new graduate, he doesn't know _____it takes to start a business here. [ ]A. how B. what C.
• 某校初一三班小丽同学探究“根的什么部位生长最快”时，用钢笔在菜豆幼苗根尖端标记了四条线（如图所示），班内其他同学的实验结果与小丽的大致相同，据此分析回答：（1）通过对根尖-七年级生物
• 如图是某学生在探究根的哪一部位生长最快时，第一天绘制的根尖各段长度图，请你预测生长最快的一段是（）A．①B．②C．③D．④-生物
• 下表是某生物小组在探究“根的什么部位生长最快？”的实验中记录的数据，从表中四组数据可以判断出哪一组是伸长区的生长数据？（）A．AB．BC．CD．D-生物
• 如图，图中共有（）个三角形．A．47B．46C．44D．43-数学
• He asked me_____. [ ]A. am I a Party member or a league member B. was I a Party member or a league m
• When changing lanes, adriver should use his turning signal to let other drivers know______[ ]A. he i
• -Could you do me a favor ?-It depends on _______it is.[ ]A. whatB. which C. thatD. where-高一英语
• It is said _______ ________ was all ________ he said. [ ]A. that; that; thatB. what; what; whatC. th
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• It even leaves the scientists in wonder _____ they should call the newly-born creature, which looks
• These shoes look very good. I wonder ____. [ ]A. how much cost they are B. how much do they cost C.
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• 句型转换。1. There are different ways of doing this. There are ____________ ways of doing this. 2. He is
• 有位科学家给一株黑麦创造了良好的条件，让黑麦的根能充分地生长，到它长出麦穗的时候，统计出这株黑麦的根系有1400万条根组成，全长600千米，相当于从北京到锦州的距离，这-七年级生物
• “春种一粒粟，秋收万颗子”，大豆的果实和松树的“球果”都有许多种子，许多植物都是用种子来繁殖后代的：如冰山上雪莲、沙漠里的仙人掌、盐碱地的碱蓬、水中的莲藕…用种子繁殖后-七年级生物
• 在菜豆的幼根处作上标记如下图．置于适宜条件下几天后，能正确表示该根生长情况的是（）A．B．C．D．-生物
• 在探究根生长最快的实验中，你发现根生长最快的应是根尖的（）部位．A．伸长区B．根冠C．分生区D．成熟区-生物
• 细嚼馒头有甜味的原因是（）A．部分淀粉在唾液淀粉酶的作用下转变成麦芽糖B．淀粉有甜味C．淀粉在唾液淀粉酶的作用下转变成葡萄糖D．牙齿咀嚼和舌搅拌的作用-生物
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• 如图是根尖的结构图，请据图回答下列问题：（1）填写根尖各部分的名称：A______；B_______；C______；D_____。（2）如果去掉________，根不能再生长。（3）根生长最快的部位
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• We agreed to accept ___________ they thought was the best engineer.[ ]A. whatever B. whomever C. whi
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• She is very dear to us. We have been prepared to do _____it takes to save her life. [ ]A. whichever
• I was wondering ________ that you took up smoking. [ ]A. it when was B. when it was C. it was when D
• As soon as he comes back, I'll tell him when ______ and see him. [ ] A. you will come B. will y
• （a）请你在平面上画出6条直线（没有三条共点），使得它们中的每条直线都恰与另三条直线相交，并简单说明画法．（b）能否在平面上画出7条直线（任意三条都不共点），使得它们中的每条-数学
• 随着根的不断生长，根尖的各个部分逐渐消失。[]-七年级生物
• 某校生物兴趣小组的同学们在探究植物根尖何处生长最快的过程中，将实验结果绘图（如图），请你推断生长最快的部位是[]A．根冠B．分生区C．伸长区D．成熟区-七年级生物