• 2022-06-06
    Unit 4 第六课时:选词填空作业 6. Fill in the blanks with suitable words from the word bank. You may not use any of the words more than once.(提交时只需要输入单词前面的大写字母,不需要填写具体单词)http://p.ananas.chaoxing.com/star3/origin/f51f72023615d7fb71485a040544dc3b.jpg?rw=715&rh=272&_fileSize=32772&_orientation=1http://p.ananas.chaoxing.com/star3/origin/fcd7c4882dc789f0120decdc84c03d85.jpg?rw=715&rh=707&_fileSize=102902&_orientation=1http://p.ananas.chaoxing.com/star3/origin/14af2a4f3e6abcd44340c5f61ace7de2.jpg?rw=656&rh=557&_fileSize=87398&_orientation=1
  • E  M  K  I  F  A  C  H  L  N

    举一反三

    内容

    • 0

      图示应力状态,按第三强度理论校核,强度条件为( )。<img src="http://p.ananas.chaoxing.com/star3/origin/dd3fe2c04248453f934a5bf078c2096b.png"/> A: <img src="http://p.ananas.chaoxing.com/star3/origin/008fe5632455993a70b7aa9bf29fb1ef.jpg" /> B: <img src="http://p.ananas.chaoxing.com/star3/origin/9ffd49637b4c58b1fa85151ed63de699.jpg" /> C: <img src="http://p.ananas.chaoxing.com/star3/origin/5b8e6c02b33bd63b6fd0f121449e26b0.jpg" /> D: <img src="http://p.ananas.chaoxing.com/star3/origin/4896125577fc13ab75d592f1f3511baa.jpg" />

    • 1

      设随机变量,则=。(注: )http://p.ananas.chaoxing.com/star3/origin/39a36111a374e238aff071bcbee7ad00.gifhttp://p.ananas.chaoxing.com/star3/origin/55967500e4b0ec35e2d51bb3.gifhttp://p.ananas.chaoxing.com/star3/origin/17322168bc793ffb671aa05ad0e2835c.gif

    • 2

      下面的和声连接哪个是正确的? A: <img src="http://p.ananas.chaoxing.com/star3/origin/afb63329872ba3fffe9ea4d739fe8f02.jpg"/> B: <img src="http://p.ananas.chaoxing.com/star3/origin/1eb01898a7c50336ff31060e4e1beafb.jpg"/> C: <img src="http://p.ananas.chaoxing.com/star3/origin/84a3d1257ae9204804d97aa14023a347.jpg"/>

    • 3

      在如下方框图中,产生正弦波振荡的相位条件是ΦF=土ΦA。https://p.ananas.chaoxing.com/star3/190_190c/51b78a1144fa0cccbecadc36cdb83483.jpg?rw=3264&rh=1616&_fileSize=3984598https://p.ananas.chaoxing.com/star3/origin/51b78a1144fa0cccbecadc36cdb83483.jpg?rw=3264&rh=1616&_fileSize=3984598

    • 4

      根据正面和侧面投影,选择正确的水平投影___ A: mg src="http://p.ananas.chaoxing.com/star3/origin/36969903a2466dc741c0c4fb2e1719d0.png">; B: (2) C: (1) D: (4) E: (3)