给试管里的液体加热,液体体积一般不要超过试管容积的______,向酒精灯中添加酒

题型:填空题

问题:

给试管里的液体加热,液体体积一般不要超过试管容积的______,向酒精灯中添加酒精,酒精的体积不要超过酒精灯容积的______.

考点:溶液的配制
题型:填空题
Miss Zhao is one of the most popular teachers in the school.Yesterday she came into the  with a big smile on her face.She said to her     that she was    to see they did well in the sports meeting.But    was not pleased to see the classroom last Saturday not as     as usual.She hoped they would clean the classroom every day.
Wei Hua was on     yesterday.She said everyone was at    except Lin Tao.Then she told Miss Zhao about their    to the Great Wall last Sunday.Luckily the weather was   .They played games and had a picnic there.After Wei Hua    her talk,Miss Zhao began her lesson.
小题1:
A.shop B.classroom C.park D.office
小题2:
A.students B.teachers C.workers D.doctors
小题3:
A.Angry B.sorry C.glad D.sad
小题4:
A.she B.I C.we D.he
小题5:
A.dark B.old C.large D.clean
小题6:
A.time B.duty C.foot D.top
小题7:
A.home B.noon C.night D.school
小题8:
A.visit B.music C.clock D.football
小题9:
A.bad B.fine C.rainy D.windy
小题10:
A.started B.had C.finished D.gave
题型:填空题

下列各项中,不属于生物的是 [ ]

A.变形虫

B.珊瑚

C.地衣

D.病毒

题型:填空题

三点A、B、C在同一条直线上,如果AB=7cm,BC=5cm,那么AC的长为(    )cm.

题型:填空题

陈二妹是()中的人物。

A.《迟桂花》

B.《春风沉醉的晚上》

C.《出奔》

题型:填空题

干雪可以当做球形粒子处理,湿雪的衰减比干雪大得多,有时可以超过雨的衰减。

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