初一语数英三科暑假天地作业答案(3)
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
adv. n. adj.
v. v. adj.
n./prep. v. v.
v. n. v.
v. n. adj.
v./adj. v. n.
v. v. n.
adv. n. adv.
n. adj. n.
n. v. v.
n. n. adj.
n, n. adj.
n. n. adj.
n. n. adj.
n. adj. n.
v. v. int.
v. v. n.
n. v. n.
adj. v. adj.
v. n. n.
n./v. n. n.
adj. n. v.
n. n. n.
v. n. v.
v. adj. n.
n. v. v.
v. n. n.
n. n. v.
n. adv. v.
n. n. n.
n. n. v.
n. v. adj.
adj. n. n.
n. n. n.
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°