【題目】下列有關氧氣性質的說法中錯誤的是( )。
A.氧氣是一種化學性質比較活潑的氣體
B.它能跟所有物質發(fā)生化學反應
C.在氧化反應中一般都有熱量放出
D.氧氣能供給呼吸,支持燃燒
科目:初中地理 來源: 題型:
【題目】I get up( 起床)___ 7:00 ____ I go to school(上學 ) at 8:00. I have science at___and then I have a rest(休息) at 10:00.___is my favorite subject. I like math because it’s___. Mr. Tan is our math___. I like him very much. I eat___at 12:00. I___like history because it is boring. But I like art and I want ___ an____. I have art on Wednesday at 2:00.
【1】A. on B. at C. in
【2】A. because B. but C. and
【3】A. nine B. eleven C. six
【4】A. Music B. Math C. English
【5】A. boring B. difficult C. interesting
【6】A. teacher B. partner C. classmate
【7】A. lunch B. breakfast C. dinner
【8】A. not B. doesn’t C. don’t
【9】A. be B. to be C. is
【10】A. artist B. actor C. teacher
查看答案和解析>>
科目:初中地理 來源: 題型:
【題目】19世紀末,物理學家瑞利在研究中發(fā)現(xiàn),從空氣中分離得到的氮氣密度,與從含氮物質制得的氮氣密度有0.0064 kg/m3的差異,他沒有放過這一發(fā)現(xiàn),在化學家拉姆塞的合作下,經過十幾年的努力,于1894年發(fā)現(xiàn)了空氣中的氬氣。下列說法正確的是________(填序號)。
①氬是一種化學性質極不活潑的氣體;
②瑞利從空氣中分離的氮氣是純凈物;
③19世紀末以前,人們認為空氣由氧氣和氮氣組成的;
④瑞利發(fā)現(xiàn),從含氮物質制得的氮氣密度大于從空氣中分離的氮氣的密度。
查看答案和解析>>
科目:初中地理 來源: 題型:
【題目】
【1】a, bat, baseball, she, has
_________________________.
【2】have, a, you, bat, do, tennis
_________________________?
【3】good, that sounds
__________________________.
【4】bat, the, nice, girl, doesn’t, a, have
___________________________.
【5】play, soccer, let’s
__________________________.
查看答案和解析>>
科目:初中地理 來源: 題型:
【題目】完形填空(10小題,每小題1分,共10分)
Hey, boys and girls! 1 morning. My name 2 Eric. I 3 12 years old(歲). I have 4 ID card. Its 5 is 3367753. Miss Wang is our Chinese teacher. 6 is very nice. We all like her very much. What’s 7 telephone number? Oh, 8 6207654. If(如果) you have some questions, you can call her. She likes 9 very much. Her pen is blue. Her ruler is blue, too. Can you tell me what 10 you like? Red, white or green?
【1】 A. OK B. good C. nice D. good
【2】 A. be B. are C. is D. am
【3】 A. am B. is C. are D. be
【4】 A. a B. an C. the D. /
【5】 A. name B. number C. card D. ID
【6】 A. She B. Her C. Miss D. His
【7】 A. she B. her C. him D. his
【8】 A. it B. its C. it’s D. is
【9】 A. white B. green C. red D. blue
【10】 A. color B. ruler C. pen D. orange
查看答案和解析>>
科目:初中地理 來源: 題型:
【題目】—Do you have __________ ping-pong ball?
—No. I don’t like sports. I like playing __________ guitar.
A. a; / B. a; the C. the; / D. the; the
查看答案和解析>>
科目:初中地理 來源: 題型:
【題目】—Are you __________?
—Yes, I am.
A. a musician B. musicians C. musician D. A and B
查看答案和解析>>
科目:初中地理 來源: 題型:
【題目】We have to __________ the questions before answering them.
A. look after B. look up C. look through D. look at
查看答案和解析>>
湖北省互聯(lián)網(wǎng)違法和不良信息舉報平臺 | 網(wǎng)上有害信息舉報專區(qū) | 電信詐騙舉報專區(qū) | 涉歷史虛無主義有害信息舉報專區(qū) | 涉企侵權舉報專區(qū)
違法和不良信息舉報電話:027-86699610 舉報郵箱:58377363@163.com