Which can be the best title for this passage?

A . How Chocolate Was Made for the War B . How Chocolate Helped Win the War. C . What Were the Requirements about Chocolate for the War D . What Were the Difference between D Ration Bars and K Ration Packs

A．The Threatened Extinction of Marine Life. B．The Cultivation of Oysters. C．The Discoveries Made by Marine Biologists D．The Varieties of Wild Oysters. 此题为多项选择题。

A．Dr. Randy Nelson and His New Findings. B．Animals Resistance to Cancer. C．Winter and Animals' Immune System. D．A Light in the Cancer Darkness.

A．Some New Research Findings on the Chimpanzee Mind B．Chimpanzee Can Be Much More Intelligent and Creative than We Had Expected C．Chimpanzee and Sign Language D．Chimpanzees Are Proved to Be Closer to Human Beings in Language Learning 此题为多项选择题。

A．Choices of Ebooks. B．Advantages of Ebooks. C．Introduction to Ebooks. D．Importance of Ebooks.

A．Surroundings B．Intelligence C．Dependence on Environment D．Effect of Education

A．Surroundings B．Dependence on Environment C．Intelligence D．Effect of Education

A．Dependence on Environment B．Intelligence C．Surroundings D．Effect of Education

A．Barriers Made by People B．Functions of Communication C．Restrictions on Transportation D．Progress o Human Society

A:The benefits of a less stressful day B:How to solve teenagers’ sleep problem C:The benefits of later school start time D:The reasons why teenagers sleep differently

A．When Was the Umbrella Invented B．The Roles of Umbrellas in History C．The Colors and Shapes of Umbrellas D．Who Needed the Umbrella First

A．Different Forms of Exercise. B．Exercise--The Road to Health. C．Scientific Evidence of Health Benefits. D．Running--A Popular Form. of Sport.

A.Most expensive burger B.The history of hamburger C.A new open burger restaurant D.How to set the price of burger

A．Nature of Filling in Application Forms B．Importance of Filling in Application Forms C．Critical Details for Filling in Application Forms D．Jobs and Their Filling in Application Forms

A．Hand Preference of Chimpanzees. B．Human Handedness and Animal Lateralization. C．The Myth behind Human Handedness. D．An Unique Animal Behavior.

A．Volcanoes killed off Neanderthals B．Modern humans escaped extinction due to their farther-flung populations C．Climate Change wiped out Neanderthals D．The competition between Neanderthals and Modern humans TEXT D

A．The Eye as the Window to the Soul B．Cultural Differences in Reading Emotions C．Effective Methods to Develop Social Skills D．How to Increase Cross-cultural Understanding

A．Two Basic Rights. B．Government Is Not Enough to Encourage Economy. C．Individual Rights Are Crucial. D．Comments by Mancur Olson.

A．Human Identity—an Elusive Illusion B．How to Identify a Particular Person C．What Makes Human Beings Individuals？ D．The History of Human Identity

A．Daytime Highs and Nighttime Lows. B．The Average DTR Was Different. C．Weekend Weather Really Is Different. D．There's Rain in The Forecast.

A．The Nature of Science and Scientists B．Biology and the Scientific Age C．Hypotheses and Theories D．On Distinguishing Fact from Fiction