题目

下列实验操作中，正确的是（       ） A．倾倒液体         B．点燃酒精灯       C．取用固体粉末     D．过滤      答案：C解析:A中瓶塞没有倒放，试剂瓶口应紧挨着试管口，故A错误，不能用燃着的酒精灯点燃另外一个酒精灯，故B正确，D中没有用玻璃棒引流。  阅读理解 　　Eleven years ago, three people decided to sit in silence for an hour, in an everyday Silicon Valley living room．No teachers or experts．No set agendas(议程)or proposed beliefs either．Just silence for an hour every week with one strong principle－when you change within, the world changes． 　　And instead of closing the door, they left it open…open to all．The rest, as they say, is history． 　　Simply put, Wednesday evenings are about sharing．In the spirit of an ashram(僻静), we offer the space for everyone to walk their own walk．A random group of 20－40 folks conference once a week; we meditate(沉思)for an hour and follow it up with a roundtable sharing of "aha" moments from everyday life, based on the wide-ranging weekly journey reading． 　　While each journey takes different routes, the paths have many similarities．Along that road, sometimes, it is useful to have a place to share…our conviction, compassion, presence or even something indescribable．We grow and learn by listening both to ourselves and the people around us, by looking within－and without． 　　Over the years, thousands of folks have come; some offered much, some received much, but all were present with the same heart．We don't really understand how this spontaneous(自发的)gathering of goodness happens every Wednesday, but as hosts, we feel fortunate to have such an opportunity to be of service, and to be home for such sincere and powerful inspiration． 　　These meetings are open to anyone who wishes to attend．For many of us they have been and continue to be a constant source of inspiration, insight－and joy． 　　And you're invited to join us this Wednesday! (1) What happened eleven years ago? [　　] A． Wednesday evenings came into being． B． Groups of people gathered in silence． C． Silicon Valley became popular． D． Experts were invited to Wednesday evenings． (2) What do people do every Wednesday evening according to the above passage? [　　] A． They go out to have a journey outside． B． They gather together and share what they have read． C． They hold parties where every one can talk free． D． They discuss what to read for next Wednesday． (3) Why do the people hosting Wednesday evenings feel fortunate? [　　] A． Because they have met so many inspired people． B． Because they consider their work valuable． C． Because they feel popular with so many people． D． Because they have earned a lot of managing experience． (4) Which of the following can serve as a proper title of the whole passage? [　　] A． Activities on Wednesday evenings, Silicon Valley B． Birthplace of Wednesday evenings． C． Characteristics of Wednesday Evenings． D． Welcome to Wednesday evenings．