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初一语数英三科暑假天地作业答案(3)

时间: 俭聪2 暑假作业答案

  蔬菜:potato,vegetable,pumpkin,bean,corn

  食物:tofu,beef,pork,sandwich,fish,sausage,roll,bread,cheese,bacon,toast,egg,rice,coolie,cake,pudding,ice cream,pie,candy,jam

  饮料:milk,beer,juice,wine,tea,coffee

  动物:bat,dog,cat,cow,pig,deer,goat,elephant,rabbit,lion,tiger,fox,wolf,mouse,zebra,giraffe,monkey,sheep,squirrel,donkey,horse,whale,seal,bird,snake

  P45

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  n. adj. n.

  v. v. int.

  v. v. n.

  n. v. n.

  adj. v. adj.

  v. n. n.

  n./v. n. n.

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  P39

  happy-page-earth-habit-ten

  -nose-easy-yard-deep-panda-an-name-east-tape-empty

  -year-red-dress-sad-dad-down-noon-near-rabbit-talk

  -key-you-under-right-to-our-radio-of-fish-hand

  -die-empty-yours-safe-enjoy-youth-hat-tooth-happy-your

  -read-dark-king-get-tea-apple-elect-taxi-ink-kilo

  -off-face-end-death-hamburger-race-earn-nod-dairy-yellow

  -walk-kill-lake-eight-temple-English-heath-help-paper-rank

  -kitchen-hair-race-eat-time-Easter-ring-grow-wall-learn

  -neck-kite-else-England-dance-e-mail-let-term-member-rice

  数学

  第一单元

  P19

  1. B

  2. D

  3. C

  4. C

  5. 6

  6.2a六次方b四次方

  7. 35

  8.49分之125

  9.负3分之1

  10.(1)7 (2)0 (4)-1

  第二单元

  1.AB 同旁内角

  2.85度

  3.58度

  4.80或100

  5.南偏西45°

  6.B

  7.A

  8.D

  9.B

  10.

  添加:∠3=∠4

  ∵∠1=∠2 ∠3=∠4

  ∴∠1+∠3=∠2+∠4

  ∵∠ABD=∠CDN

  ∴AB‖CD

  11.

  ∵CB‖AD ∠ADB=20°

  ∴∠CBD=∠ADB=20°

  ∵折叠

  ∴∠GBD=∠CBD=20°

  ∴∠CBE=40°

  ∵BC‖AD

  ∴∠CBE=∠AEB=40°

  ∵∠AEB=∠DEG=40°

  又∵∠G=∠C=90°

4619