封装、陶瓷封装、金属封装,而TO-92,TO-220封装的三极管可能引脚是按照BCE、CEB... 差异,特别是那些SOIC系列封装的元件,常常会遇到同是SOIC-14... 长虹SF2198满屏白回扫线,伴音正常,视放180V,字符正常,单片机,场TDA8356主块CH05T1607,TDA9370啥原因? 主要还是视放电路,看三阴极电压如何,高度控制怎样,一百八十...
答案解析 查看更多优质解析 解答一 举报 这里用to do 比较合适因为这句话,我的爱好是:这是一个客观事实,用一般现在时的陈述句最为合适而用is doing sth,我正在做什么事用在这里的话,我的爱好是正在做什么,不合适求个好评~ 解析看不懂?免费查看同类题视频解析查看解答 ...
Mount Huang lies Anhui Province.A. in B. to C. on A [解析]句意:黄山位于安徽省.根据一地属于另一个地方.在内部用in.两地比邻用on.两地不接壤用to.根据常识可知黄山属于安徽省,故选A
Rose went to the lessons. But she found it boring to do the same movements(动作) again and again. After a few lessons, Rose told her mom, “I’m not going to the lessons anymore.” Bored, she drew a picture of a lovely “ballerina”. She said to herself,” I’m not good at ...
I want to eat. Yes, I like fish. 1. A: Nice to meet you.B: . 2. A: .B: OK! Let's eat. 3. A: .B: Eleven books. 4. A: Do you like fish?B: . 5. A: Would you like some more dumplings? B: . 违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com 精英家教...
在初中英语学习中,想要取得高分语法和单词这两座大山一定要过,今天Aryn老师分享的是初中英语最常考全部英语动词+doing和+to do 的总结 ,千万别再弄混了。 1 带动词ing形式 1. keep doing坚持做某事 2. keep sb. doing...
氯化铝和金属钠反应方程式咋写 答案 如果是溶液的话 那先和水反应:2Na+2H2O=2NaOH+H2↑ 接下来氢氧化钠再和氯化铝反应:AlCl3+3NaOH==Al(OH)3↓+3NaCl 一段时间后氢氧化钠变多氯化铝耗完:Al(OH)3+NaOH→Na[Al(OH)4] 若是熔融3 Na+AlCl3(熔融)==3NaCl+Al ...
(收腹) and jump by bending in your knees. At the same time, move your feet apart as much as you can and raise your hands to bring in line with your shoulder. While you come back you must be in a starting position, feet together, hands at sides and knees bent. You must land on ...
完形填空. My brother Frank is a clerk at a clothes store.He works very 1 hours every day.He usually 2 at six in the morning.After he brushes his 3 ,he starts to 4 for thirty minutes.He thinks running is 5 for his health.Then he has breakfast.After
The meeting ___ over,Ifound her seated at the desk and ___ to music. A. to be; listenedB. was; listened C. was; listeningD. being; listening 试题答案 在线课程 D 【解析】 试题分析:考查独立主格和非谓语动词。题干中两个分句之间没有连词连接,前一分句应变成独立主格结构。“会议结束”动作...