【判断题】钢筋混凝土结构中由于变形引起的裂缝也称为非结构性裂缝。
【单选题】With reference to our S/C No.PTS12 for 1,000 pieces of Men’s Shirts, which are from Ningbo to Sydney by S/S “China Star” tomorrow, we would like you to effect insurance.
【简答题】填入合适的介词(注意大小写) Dear Sirs, We acknowledge (1) ____ thanks the receipt of your letter dated March 11 th inquiring about the possibility of selling your men’s shirts, Tiantan Brand, in our market. (2)___...
【简答题】Our men’s shirts are packed _________ boxes _________ 1dozen each, 60 boxes _________a carton lined _______ waterproof paper.
【简答题】介词填空 Dear Sirs, We acknowledge(1) thanks the receipt of your letter dated March 11th enquiring about the possibility of selling your men’s shirts, Tiantan Brand, in our market. (2) reply, we wish to ...
【多选题】关于粘多糖的叙述,正确的是()
A.
最传统的粘多糖是指:来源于动物,且含有氨基己糖的多糖;
B.
近年来,粘多糖是指含糖醛酸和氨基糖残基的多糖 ;
C.
酸性粘多糖通常含有较多的羧基,并多含有硫酸基 ;
【多选题】下列关于糖的分离叙述正确的是( )
B.
离子交换色谱:适用于分离酸性 , 中性多糖和粘多糖。
C.
纤维素柱色谱:兼有吸附色谱和分配色谱的性质。
D.
凝胶柱色谱:分离多糖 , 按分子大小不同分离。
【简答题】Our Men’s Shirts are packed poly bags, five dozens to a carton with damp proof paper.
【简答题】Our Men’s Shirts are packed in poly bags, five dozens to a carton lined damp proof paper.