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1、2020年六年級(jí)生物下冊(cè) 第三單元 第二章 第三節(jié) 開花和結(jié)果評(píng)測(cè)練習(xí) 魯科版（五四制） 一、 選擇題 1. 胚珠著生在（ ）。 A. 花瓣中 B.雄蕊中 C.柱頭中 D.子房中 2. 桃花中能產(chǎn)生花粉的結(jié)構(gòu)是（ ）。 A. 花藥B.花絲 C.柱頭 D.子房 3. 花粉在萌發(fā)過(guò)程中產(chǎn)生花粉管，當(dāng)花粉管進(jìn)入（ ）時(shí)釋放出精子。 A.柱頭 B.花柱 C.子房 D.胚珠 4. 精子與卵細(xì)胞結(jié)合形成受精卵的過(guò)程叫（ ） A.開花 B.傳粉 C.受精 D.結(jié)果 5.小麥花的主要部分是（ ） A.雌蕊和雄蕊B.花托和花柄C.花瓣和花萼D.果實(shí)和種子 6.玉米開

2、花時(shí)如果遇上連陰雨的天氣，產(chǎn)量就會(huì)降低，下面解釋正確的是（ ）。 A.風(fēng)大、氣溫低，花粉不能成熟 B.花粉被雨水沖落，影響風(fēng)力傳粉 C.風(fēng)大、氣溫低，影響昆蟲傳粉D.陰雨天子房不能發(fā)育 7.下圖是桃花結(jié)構(gòu)圖，請(qǐng)回答下列問(wèn)題： （1）圖中（ ）構(gòu)成雄蕊，花粉中（ ）中。 （2）圖中（ ）構(gòu)成雌蕊。 答案：1.D 2.A 3.D 4.B 5 .A 6.B 7.(1)2、3 2 (2)1、4、5 附送： 2020年六年級(jí)英語(yǔ)上冊(cè)Unit1Igotoscho

3、olat800L esson1教案人教精通版 2 How to express using their daily life. Teaching aids word cards and multi-media? Teaching steps Step 1. Warming-up and Revision 1.??? T: Look , what time is it? Ss try to answer. Use the real clock to learn how to read the time. (1) 直接讀數(shù)。 E.g 整點(diǎn):8:00 - eight.

4、 幾點(diǎn)過(guò)：9:16 - nine sixteen. (2)過(guò)幾分用past。（1----30分） 9:16 - sixteen past nine. 半點(diǎn)： 9：:30.—half past nine (3) 差幾分幾點(diǎn)用to。（31---59分） 10:52—eight to eleven. ?? say the time.? 9:30, 7:00, 11:45， 3:30, 6:30 Step 2. Presentation Learn the words： in the morning = am get up?????????? 6:00???

5、???????????????go to school???? 7:00 have breakfast?? 7:30 have classes???? 8:10 have lunch?????? 12:20 in the afternoon = pm have classes again? 1:30?????school is over.???? 4:10 ?go home???????????? 5:00 have dinner???????? 6:15 ?watch TV??????????? after dinner

6、go to bed?????????? 10:00 2.??? T: This is my daily life, how about your daily life?(老師在講授自己的日常生活的時(shí)候隨時(shí)問(wèn)學(xué)生，以達(dá)到邊學(xué)邊練習(xí)的目的) The Ss talk about their whole daily life.(the teacher will give them about 5minutes to practice) 3.??? 學(xué)習(xí)e-mail 的格式。 T: today I got an e-mail from Miss Song. Look. Read the e-ma

7、il together, then answer the questions: (1)Where is?Miss Song from? (2)When does she go to work? (3)When does she do some listening? Step 3 Practice 1.??? Listen to the tape, feel the Chinese. 2.??? Listen and repeat , pay attention to the pronunciation. 3.??? Read by themselves, find out wha

8、t you can’t understand. (每一遍都給學(xué)生的任務(wù)，讓學(xué)生帶著問(wèn)題去聽(tīng)或是讀課文) 4.??? Teach :? about 大約，關(guān)于。By e-mail 通過(guò)郵件，make a sentence.（造句練習(xí)加深對(duì)詞義認(rèn)識(shí)，提高單詞的使用能力） 5.??? Do some exercises: (1)Let me tell you ________ his family. A. in?? B. of?? C. about? D. for (2)Please get up ________ 6:00 in the morning. A. at?? B. in?

9、? C. for? D. about (3)I have lunch at ________ . A. 7:00?? B. 11:50? C. 19:15 D. 23:10 (4)Class ________ over at 4:00. A. is?? B. begins?? C. are? D. have? Step 4 summary ???? What do you learn? Step 5 Homework 1.??? Read the e-mail 10 times. 2.??? Try to write an e-mail for your classmate. 3.??? Preview next lesson.