數(shù)學(xué)公式口訣:和差化積公式 和差化積公式 和差化積需同名, 變量置換要記清; 假若函數(shù)不同名, 互余角度換名稱(chēng)。 簡(jiǎn)記為: S+S=2S C S-S=2C S C+C=2C C C-C=-2S S 數(shù)學(xué)公式口訣:三倍角正弦與余弦函數(shù)公
36. hear sb do sth 聽(tīng)到某人做某事(后接動(dòng)詞原形,常考) hear sb doing sth 聽(tīng)到某人正在做某事(常見(jiàn)) I heard someone laughing. 37. help to do sth 幫忙做某事 help sb (to) do sth 幫助某人做某事 I ll help y
1. allow sb to do sth 允許某人去做某事(后接動(dòng)詞不定式) My father allowed me to go out for a walk after finishing my homework. 2. asked sb (not) to do sth 叫某人做事某事(叫某人不要去做某事) My father
water the flowers 澆花 go home 回家 feed the fish 喂魚(yú) plant trees 種樹(shù) go to school 去上學(xué) visit the zoo 參觀動(dòng)物園 play volleyball 打排球 go to the supermarket 去超市 sit at the back of the
draw a circle 畫(huà)一個(gè)圓 fly a kite 放風(fēng)箏 on the paper 在紙上 make a card 做一張卡片 many circles 圓形 a PE lesson 一節(jié)體育課 have a PE lesson 上一節(jié)體育課 follow the orders 按照指令 give the
the following week 下周 the man over there 那邊的那個(gè)男人 the girl in a white skirt 那個(gè)穿白色短裙的女孩 the boy with big eyes 大眼睛的那個(gè)男孩 my brother 我的弟弟/哥哥 which one 哪一個(gè) at a pa
go tothe park 去公園 climb trees 爬樹(shù) Be quiet 保持安靜 Do not touch 不要摸 No eating and drinking 禁止吃喝 keep off the grass 不踐踏草坪 No parking 禁止停車(chē) No littering 禁止扔雜物 from Japa