PBS是一种可降解的聚酯类高分子材料，可由马来酸酐等原料经下列路线合成： (1

下列溶液中Cl^－浓度最大的是（   ）

A．10mL 0.2mol/L的FeCl₃溶液

B．30mL 0.25mol/L的FeCl₂溶液

C．20mL 0.2mol/L的KCl溶液

D．10mL 0.3mol/L的AlCl₃溶液

短文填词（共10题小题，每小题1分，满分10分）

阅读下面短文，根据以下要求：1）汉语提示；2）首字母提示；3）语境提示, 在每个空格内填入一个适当的英语单词，所填单词要求意义准确.拼写正确。

Nowadays a lot of schools keep their students in school all day long.

Students have different o          about it.                                 小题1:                   

Some of the students think they enjoy l       freedom and have few       小题2:                

chances to get in touch with society. They are not able to fully         (培养)      小题3:               

their interests and      （爱好）. Therefore, they have least interest in their study小题4:                  

Some others think school is the best place to get knowledge,       they        小题5:                

should put their heart into their lessons. Some students          (缺少) the ability to 小题6:                

control themselves. Once       of school, they may lose control of themselves    小题7:                

and do something that will a        their studies.                          小题8:                

P     , there is no doubt that we should keep students at school.         小题9:                

But I think      of necessity that schools should organize various activities          小题10:                   

so that students can enjoy their school life.           

下列关于各物质水解应用的说法中不正确的是（  ）

A．油脂的水解又称为皂化反应，故可用油脂的酸性水解来制备肥皂和甘油

B．可以以淀粉、纤维素为原料通过水解制得葡萄糖

C．人体对食物中蛋白质的消化其实就是使蛋白质发生了水解

D．用粮食酿酒与淀粉的水解有着密切的关系

CIS研究的首要程序阶段是确定问题。

第二组：
患者，男性，42岁，5小时前发生剧烈的上腹部痛且向背部放射，并伴数次恶心呕吐，吐后疼痛无缓解。并呈现休克症状，追问病史，7小时前曾有聚会暴食，饮酒经过。

此时最有价值的实验检查为

A．血白细胞计数

B．尿淀粉酶测定

C．血淀粉酶测定

D．血小板计数

E．血电解质测定