【单选题】列关于糖类的说法错误的是 [ ]
B.
蔗糖、麦芽糖和纤维二糖都是二糖且是同分异构体
C.
淀粉和纤维素的组成都可以用式子(C 6 H 10 O 5 ) n 来表示且是同分异构体
D.
麦芽糖、纤维素、淀粉的最终水解产物都是葡萄糖
【单选题】Why was he made a writer for the paper?
A.
The old editor retired.
B.
He wrote a good story.
C.
Another reporter quit.
D.
He was interested in financial news.
【单选题】(以下3题共用题干)患者,男性,50岁,近1个月发现过度劳累时心前区疼痛,入院诊断为冠心病、心绞痛。给予硝酸甘油含化治疗。患者吸烟史30年,血脂增高,过量进食,血糖高,喜饮浓茶。护士收集哪项资料最有利于评估病情
【单选题】The writer wrote Letter A because he ______.
A.
was worried about what present he should give
B.
wanted to make the whole family happy
C.
wanted to know some social customs for a dinner party
D.
would be a little late for a dinner party
【单选题】下列关于纤维素的说法不正确的是
A.
纤维素的化学结构为β(1,4)-D-葡聚糖,结构组成单元为D-葡萄糖
【单选题】Tom Smith was a writer. He wrote detective stories for magazines. One evening he could not find an end for a story. He sat with his typewriter in front of him, but he had no ideas. So he decided to go...
【单选题】二进制数10101B转换为十进制数是()。
【多选题】2011年7月,住建部发布了“关于发布行业标准《建筑与市政工程施工观场专业人员职业标准》的公告”(第1059号),公告指出:该标准自2012年1月1日起实施。《建筑与市政工程施工现场专业人员职业标准》中规定,劳务员的主要工作职责之一是:“负责或监督劳务人员进出场及用工管理。”作为劳务员,对本岗位的工作职责必须掌握。请依据《建筑与市政工程施工现场专业人员职业标准》回答以下问题。1.承包人因某种原因终...