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【单选题】
有下列实验操作：①把鼻孔凑到容器口去闻药品的气味；②将取液后的滴管平放在实验台上；③将浓硫酸倒入的量筒中使其溶解；④用托盘天平称量时放称量物，右砝码；⑤着的酒精灯里添加酒精；⑥给试管中的液体加热时，试管口对着有人的方向；⑦用向上排空气法收集二氧化碳气体；⑧给液体的试管、烧杯、蒸发皿加热时，都不需要垫上石棉网．其中正确的是（ ）A.
全部
B.
④⑦
C.
①②③⑤⑥⑧
D.
③④⑦
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【单选题】听力原文：M: May I help you? W: Yes, (8) my nephew Jim is graduating from college next week and I'd like to get him a nice gift. M: What price are you interested in? We'll need to know that before we begin...
A.
To show her love to him.
B.
Her nephew required.
C.
To celebrate her nephew's birthday.
D.
To celebrate her nephew's graduation.
【单选题】—What's behind the door? —There must be a dog _____ behind it. [ ]
A.
to sit
B.
sit
C.
sitting
D.
to sitting
【简答题】Below are pages adapted from, http://sochi2014. com/en/ Sochi Volunteers ● 5 December 2013 Sochi 2014 Volunteer Team is Prepared for s On international Volunteer Day, 5 December, the Organizing ...
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The boxer(拳击手) Melankomas, victor in the 207th Olympiad, 49 A.D., was from Carl...
A.
A Greek Legend
B.
Legend of the Greek Boxer, Melankomas
C.
Melankomas's Unique Boxing Style
D.
Remarkable Olympic Athlete
【简答题】家兔 双眼去除动眼神经后,左眼滴毛果芸香碱,右眼滴毒扁豆碱,你认为哪只眼的瞳孔会缩小?
【单选题】--Nancy's grades are really bad. --Yes, but Tom's are ______.
A.
bad
B.
worse
C.
worst
D.
well
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