1、考點(diǎn)跟蹤突破27視圖與投影一、選擇題1(2016咸寧)下面四個(gè)幾何體中，其主視圖不是中心對(duì)稱圖形的是( C )A. B. C. D.2(2016南寧)把一個(gè)正六棱柱如圖擺放，光線由上向下照射此正六棱柱時(shí)的正投影是( A )A. B. C. D.3(2016綏化)如圖，是一個(gè)帶有方形空洞和圓形空洞的兒童玩具，如果用下列幾何體作為塞子，那么既可以堵住方。

2、考點(diǎn)跟蹤突破27動(dòng)詞的時(shí)態(tài)1We each __A__ WeChat nowadays，even the old people.(2016，龍東)AplayBplaysCplaying 2There is someone knocking at the door.It must be the computer repairman.I __B__ hi。

3、考點(diǎn)跟蹤突破27動(dòng)詞的時(shí)態(tài)1We each A WeChat nowadays，even the old people.(2016，龍東改編)AplayBplaysCplaying Dplayed2There is someone knocking at the door.It must be the computer repairman.I C h。

4、考點(diǎn)跟蹤突破27動(dòng)詞的時(shí)態(tài)一、用括號(hào)中所給單詞的適當(dāng)形式填空。1We each play (play) WeChat nowadays, even the old people.2There is someone knocking at the door.It must be the computer repairman. I (have)_called (call) h。

5、考點(diǎn)跟蹤突破27統(tǒng)計(jì)一、選擇題1(2013貴港)下列四種調(diào)查：調(diào)查某班學(xué)生的身高情況；調(diào)查某城市的空氣質(zhì)量；調(diào)查某風(fēng)景區(qū)全年的游客流量；調(diào)查某批汽車的抗撞擊能力其中適合全面調(diào)查方式的是( A )A B C D2(2016鄂州)下列說法正確的是( B )A了解飛行員視力的達(dá)標(biāo)率應(yīng)使用抽樣調(diào)查B一組數(shù)據(jù)3，6，6，7，9的中位數(shù)是6。

6、考點(diǎn)跟蹤突破27動(dòng)詞的時(shí)態(tài)1Peter，you speak Chinese so well.Thank you.I __C__ Chinese since I came here in 2013.(2016，揚(yáng)州)Awill learn BlearnedChave learned Dlearn2Be qu。

7、考點(diǎn)跟蹤突破27連詞1Could you help me with housework __C__ you are free today？(2016，無錫)Asince Bthough Cif Duntil2__B__ Joe ________ Steve may go camping with you on Tuesday，because they are not。