When carbon is added to iron in the proper proportions , the result is steel.

能够体现“人之相识，贵在相知，人之相知，贵在知心”特征的阶段是（）

The wheels of the first road vehicles were fashioned from crude stone disks.

奴隶社会人际关系的主要特征是（）

In literature, caricatures讽刺画 usually contain verbal exaggeration through which the writer achieves comic and often satiric 讽刺effects.

Some cosmetics manufacturers attempt to capture the rose's unmistakable fragrance香味 in soaps and perfumes.

依据人格结构的PAC分析理论，当甲说：“独生子女都娇得很”。乙说：“可不，这年头都这样”。其表现的人际交往行为类型是

Eyespots, the most rudimentary eyes, are found in protozoan原生动物 flagellates 鞭毛虫 , flatworms 扁形虫 , and segmented worms片段 蠕虫 .

在马斯洛的需要层次论中，有这样一种需要：既包括渴望自由与独立、获得知识与能力，从而感到自信与自豪的需要，又包括对权利、地位荣誉的向往和追求。这种需要是

Ella Grasso, elected governor of Connecticut in 1974, supported the enactment (given, granted) of a freedom-of-information law.