检测的原始数据（）。A、可以由同一个人记录和校核B、不能由同一个人记录和校核C、可由

属于代偿性肥大的是

A．妊娠子宫

B．毒性甲状腺肿

C．哺乳期乳腺

D．单纯性甲状腺肿

E．右侧肾摘除后左侧肾增大

Parkinson患者疾病早期的¹⁸F-FDG脑葡萄糖代谢显像及脑血流显像通常表现为

A.双侧颞、顶叶代谢降低

B.脑内散在的、多发和不规则的代谢降低区，往往和脑血流灌注显像所示放射性减低、缺损区相吻合

C.豆状核葡萄糖代谢率明显下降，也可伴随着全脑葡萄糖代谢率的下降

D.纹状体葡萄糖代谢率降低，血流灌注减少

E.额叶及颞叶的葡萄糖代谢降低

小李发现爷爷所服钙剂的主要成分是碳酸钙，于是想到在家中用钙剂与白醋（主要成分是醋酸）反应制取二氧化碳。查阅钙剂说明书，部分文字如图： 碳酸钙与醋酸反应的化学方程式为： CaCO₃+2CH₃COOH===(CH₃COO)₂Ca+CO₂↑+H₂O 且知此钙片成分中只有碳酸钙含有钙元素，其余成分与醋酸混合不产生CO₂。

⑴这种钙剂每片含碳酸钙多少克？

⑵若用4片这种钙剂与足量的白醋反应，理论上可制得二氧化碳多少克？

In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the (91) half of the 19th century; most of (92) were charitable. Both in Europe and in the U. S. , the day-nursery movement received great (93) during the First World War, when (94) of manpower caused the industrial employment of unprecedented numbers of women. In some European countries nurseries were established (95) in munitions (军火)plants, under direct government sponsorship. (96) the number of nurseries in the U.S. also rose (97) , this rise was accomplished without government aid of any kind. During the years following the First World War, (98) , Federal, State, and local governments gradually began to exercise a measure of control (99) the day nurseries by (100) them and by inspecting and regulating the conditions within the nurseries.
The (101) of the Second World War was quickly followed by an increase in the number of day nurseries in almost all countries, as women were (102) called upon to replace men in the factories. On this (103) the U. S. government immediately came to the support of the nursery schools, (104) $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (105) this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared (106) in day-care centers receiving Federal (107) Soon afterward, the Federal government (108) cut down its expenditures for this purpose and later (109) them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their (110) at the end of the war was only partly fulfilled.

A．regulating

B．summoning

C．allocating

D．transferring

配送的延迟策略是指由于信息传递慢，配送推迟到获得信息后的反应。