题目

1. In order to ________ the fresh air, I used to climb the small hill near my house and every time I got to the top, I would be out of ________. So I had to open my mouth widely because I was ________．(breath) 2. It is ________ now why he didn't come to our party.I have found enough ________.(evident)3. He ________________ Mr.Smith as a good teacher, although his _______________ came as a big surprise to us because he never speak highly of Mr.Smith.(recommend) 4. He ________ while waiting for the bus during the snowstorm. It was under the ________ point outside and the water in the w下表列出了1cm3活性炭吸附的常见气体的体积．试分析活性炭吸附气体，跟气体的______有关，具有______性质的气体，易于被活性炭吸附．H2NH3CO2O2N2Cl2气体沸点/℃-252-33-78-183-196-34吸附气体/mL4.5178973511494