下列说法中不正确的是（ ） A．-2是4的平方根 B．38是8的立方根 C．立方根等于

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。

选项中有两项为多余选项。

Most people know that chocolate is made from cocoa and that the origins of chocolate can be traced back to Central and South America.  小题1: But how did chocolate go from being the food of the gods to being the food of love?

  小题2:  They established the first cocoa plantation and used the cocoa beans as the main ingredient in a dark, bitter drink that we would call “chocolate”. The Mayas believed that chocolate had mystical properties.   小题3: In fact, cocoa beans were used as a form of currency that was worth its weight in gold.

Spanish conquistador Hernando Cortez was the first European explorer to realize cocoa’s commercial possibilities.  小题4:  In 1529, Cortez returned Spain and introduced chocolate——as a drink mixed with sugar, vanilla, and cinnamon——to European society.

It caught on, especially with the nobility. As its popularity spread, people found new ways to make and use chocolate.  小题5:  Whether it is in delectable desserts or crunchy candy, people all over the world are still in love with chocolate.

A. But cocoa also had commercial value.

B. But not all the people all over the world love cocoa.

C. For centuries, the native there regarded cocoa as a gift from the gods.

D. When he arrived in the New World in 1519, he soon established his own cocoa plantation.

E. Around A. D. 600, the Mayas were the main aboriginal group in Central America.

F. These days, chocolate is enjoyed as both a tasty treat and a romantic indulgence.

G. Doctors said cocoa plays an active part in medicine.

I ______ pictures when our English teacher came in.         [ ]

A. drew         

B. is drawing         

C. was drawing

在镏程实验中，取样时油品的温度若低于室温，会造成流出体积（）。

A.增加

B.减少

C.不变

D.无法确定

霍林舍社会地位指数法中，赋予职业这一因素的权重是（）。

A.6

B.7

C.4

D.3

2013年11月，党的十八届三中全会在北京召开，会议通过了《中 * * 关于全面深化改革若干重大问题的决定》，深化改革成为中心议题。下列选项中对于改革的认识，不正确的是（）

A.改革是解决社会主义社会基本矛盾的需要

B.改革是发展中国特色社会主义的强大动力

C.改革的根本目的是要变革经济基础和上层建筑

D.改革是社会主义制度的自我完善和发展