100L水煤氣燃燒后共放出熱量1143.3kJ。

CO(g)+1/2 O₂(g)=CO₂(g)；△H＝-282.85kJ

H₂(g)+1/2 O₂(g)＝H₂O(l)；△H＝-285.8kJ

該水煤氣是由H₂、N₂、CO和CO₂組成的混合氣體。通入60LO₂中燃燒后得到65L氣體，再與NaOH溶液振蕩后體積變?yōu)?0L(以上體積均在標(biāo)準(zhǔn)狀況下測定)。這種水煤氣中各種氣體的體積是多少？

It is often ______ that human beings are naturally equipped to speak.

A. said       B. to say     C. saying     D. being said

They use computers to keep the traffic _______ smoothly. 

A. being run       B. run         C. to run        D. running

What I need is_____ book that contains ______ABC of oil painting. 

A. a; 涓嶅～        B. the; 涓嶅～     C. the; an     D. a ; the

The children loved their day trip, and they enjoyed the horse ride ______.

A. most       B. more     C. less         D. little

They use computers to keep the traffic _______ smoothly. 

A. being run       B. run         C. to run        D. running

I’m sure that your letter will get______ attention. They know you’re waiting for the reply.

 A. continued   B. immediate   C. careful   D. general

It is often ______ that human beings are naturally equipped to speak.

A. said       B. to say     C. saying     D. being said

下列各組詞語中加點(diǎn)的字，讀音和書寫全都正確的一組是

A．商埠（bù）    稽（jī）私       亙(gèng)古及今      不落窠（kē）臼

B．花蕾（léi）   罹（lí）難       犖（1uò）犖大端     葦（wéi）編三絕

C．抽搐（chù）   戕（qiāng）害    畏葸（xǐ）不前      縱橫捭（bǎi）闔

D．糧囤（dùn）   栽臟（zāng）     聯(lián)袂（mèi）演出     喁（yú）喁私語

下列詞語中讀音全都正確的一組是

A．鏗（kēng）鏘     休憩（qì）    愜（xiá）意    縱橫捭（bǎi）闔

B．輟（chuò）學(xué)     �。╣è）守    洞穴（xué）    未雨綢繆（móu）

C．雋（juàn）永     畸（jī）形     抓鬮（jiū）   櫛（zhì）風(fēng)沐雨

D．塑（suò）造      折（shé）本    解剖（pōu）   饕（tāo）餮（tiè）