3.2009年“世界環(huán)境日”的主題是:“團結起來應對氣候變化”。下列認識不正確的是
(A)植樹造林,嚴禁亂砍濫伐
(B)在生產(chǎn)和生活中提倡使用節(jié)能技術和節(jié)能用具
(C)提倡乘坐公交車、騎自行車或步行的方式出行
(D)開發(fā)新能源,禁止開采和使用化石燃料
2.下列有關空氣各成分的說法正確的是
(A)氧氣的化學性質(zhì)比較活潑,屬于可燃物
(B)氮氣的化學性質(zhì)不活潑,可用于食品防腐
(C)空氣質(zhì)量報告中所列的空氣質(zhì)量級別越大,空氣質(zhì)量越好
(D)二氧化碳在空氣中含量增多會引起溫室效應,屬于空氣污染物
1.“民以食為天”。下列過程中發(fā)生了化學變化的是
(A)淘米 (B)洗菜 (C)蘋果榨汁 (D)葡萄釀酒
30. was a well -known fact.
A.That their team was weak B.That their team being weak
C.Their team was weak D.If their team was weak
[答案]:
1 C 2 B 3 D 4 C 5 D 6 A 7 B 8 B 9 A 10 B
11 B 12 C 13 D 14 D 15 B 16 B 17 B 18 B 19C 20 A
21 B 22 B 23 A 24 C 25 B 26C 27 D 28 C 29 B 30 A
29. there is life on another planet is almost impossible.
A.How B.That
C.Why D.Whether
28.The problem is will go .
A.that B.that who
C.who D.whoever
27. nothing to do with us .
A.What he did is B.What he has done
C.What did he do D.What he has done has
26.Word came I was wanted at the office.
A.which B.why
C.that D.whether
25. told yuou that was lying .
A.who B.whoever
C.Anyone D.The person
24.The town is no longer it was ten years ago.
A.which B.that
C.what D.when
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