- With the acquisition of smaller companies by larger ones, the 1960's saw a wave of new conglomerates.
- When carbon is added to iron in the proper proportions , the result is steel.
- The wheels of the first road vehicles were fashioned from crude stone disks.
- 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.
- 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 .
- Ella Grasso, elected governor of Connecticut in 1974, supported the enactment (given, granted) of a freedom-of-information law.
- Blue－green algae grow abundantly in salt marshes.
- The megaphone(microphone) makes the voice sound louder because it points sound waves in one direction and keeps them from spreading out in all directions.
- The first paper was made from the bark of the mulberry tree.
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