皮亚杰认为，心理发展的真正原因是（） A.主体通过动作对客体的适应 B.先天的成熟

如图所示的四幅图中做法，能够增大压强的是             （    　       ）

载重汽车装有许多轮子 碾子的质量很大   冰鞋上装有冰刀   飞镖头部很尖

A                 B               C               D

品质特点“外形细紧，色泽绿润，香气高锐，滋味鲜醇，叶底嫩绿”属于（）名优绿茶

A、蒸青型名茶

B、烘青型名茶

C、炒青型名茶

D、烘炒型名茶

根本性创新（），或者是哪些需要传递大量复杂的或者缄默知识的项目需要比较强的中央集权。

A.渐进性创新

B.建构性创新

C.模块化创新

D.工艺性创新

An analyst finds a stock with historical returns that are not correlated with interest rate changes. The analyst writes a report for his clients that have large allocations in fixed - income instruments and emphasizes the observed lack of correlation. The clients with allocations of fixed income instruments are the only clients to see the report. According to Standard Ⅴ (B) , Communication with Clients and Prospective Clients, the analyst has:（）

A. violated the Standard concerning fair dealings with all clients.

B. not violated the Standard.

C. violated the Standard by emphasizing the information concerning the correlation.

根据GB/T13861-2009《生产过程危险和有害因素分类与代码》，危险有害因素分为人、物、（）、管理。

A.机

B.料

C.环境

D.法