100L水煤气燃烧后共放出热量1143.3kJ。

CO(g)+1/2 O₂(g)=CO₂(g)；△H＝-282.85kJ

H₂(g)+1/2 O₂(g)＝H₂O(l)；△H＝-285.8kJ

该水煤气是由H₂、N₂、CO和CO₂组成的混合气体。通入60LO₂中燃烧后得到65L气体，再与NaOH溶液振荡后体积变为20L(以上体积均在标准状况下测定)。这种水煤气中各种气体的体积是多少？

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

下列各组词语中加点的字，读音和书写全都正确的一组是

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

B．花蕾（léi）   罹（lí）难       荦（1uò）荦大端     苇（wéi）编三绝

C．抽搐（chù）   戕（qiāng）害    畏葸（xǐ）不前      纵横捭（bǎi）阖

D．粮囤（dùn）   栽脏（zāng）     联袂（mèi）演出     喁（yú）喁私语

下列词语中读音全都正确的一组是

A．铿（kēng）锵     休憩（qì）    惬（xiá）意    纵横捭（bǎi）阖

B．辍（chuò）学     恪（gè）守    洞穴（xué）    未雨绸缪（móu）

C．隽（juàn）永     畸（jī）形     抓阄（jiū）   栉（zhì）风沐雨

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