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【单选题】
用17.5%NaOH(或24%KOH)溶液在20°C下处理综纤维素或漂白化学浆,非纤维素的碳水化合物大部分被溶出,留下的纤维素与抗碱的非纤维素碳水化合物称为( )。
A.
工业半纤维素
B.
α-纤维素
C.
β-纤维素
D.
γ-纤维素
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【判断题】If you are not good at using a fork, you can use a spoon.
A.
正确
B.
错误
【单选题】Spoon-feeding means_________.
A.
cramming
B.
eating independently
C.
using spoon
D.
eating happily
【简答题】What is the difference between Chinese people and British people when they are using spoon
【单选题】听力原文:(A) The spoon is beside the cup. (B) The spoon is next to the cup. (C) The spoon is under the cup. (D) The spoon is inside the cup.
A.
B.
C.
【单选题】将18.6g某非电解质溶于250g水中,若溶液凝固点为-0.744 ̊C,则该溶质的相对分子质量为
A.
186
B.
93.0
C.
298
D.
46.5
【判断题】戴着礼帽遇到友人特别是女士时,应微微欠身,摘下帽子,并将其置于与肩膀平行的位置,同时与对方交换目光;离开对方时,脱帽者才可以使帽子“复位”。
A.
正确
B.
错误
【单选题】纪录片《东》《无用》《公共场所》是下面哪位导演的作品?
A.
陈为军
B.
周浩
C.
贾樟柯
D.
金铁木
【单选题】According to the writer, what is important for good table manners?
A.
Using knives and spoons one by one.
B.
Sitting still without glancing at others.
C.
Eating quietly without making noise.
D.
Taking care to keep the napkin clean.
【单选题】餐桌礼仪 12 Which is the correct way when using a spoon to take soup from the plate?
A.
Using a spoon from outside to inside
B.
Using a spoon from  inside to outside
【单选题】将0.360g某非电解质溶于30.0g水中,溶液凝固点为-0.124℃。则该非电解质的摩尔质量(g·mol -1 )约为( )。
A.
50.3;
B.
178;
C.
180;
D.
1250。
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