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B型题 慢性增殖型念珠菌病的临床特征为（）
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B型题 放射性损伤可导致口腔粘膜出现（）
The banana "tree" is actually not a real tree. This is because there is no wood in the stem (树 干) rising above the ground. The stem is made up of leaves growing very close together, one inside the other. The leaves spread out at the top of the stem and rise in the air.Banana plants need a lot of care and attention. They must be provided with water if the normal rainfall doesn’t supply enough. The area around the plants must be kept free of weeds (杂草) and grass.About nine or ten months after planting, a flower appears on the banana plant. This flower is at the end of a long stalk (茎), which grows from the base up through the center of the stem arid turns downward when it comes out from the top. Small bananas form on this flower stalk as it grows downward. Bananas really grow upside down. As the small bananas form on the stalk, they, point downward, but as they grow they turn and point upward.Bananas are harvested while they are still green. Even when they are to be eaten where they are grown, they are not allowed to ripen on the plant. A banana that turns yellow on the plant loses its taste., According to the text, where do bananas actually grow()
Men have traveled ever since they first appeared on the earth.In primitive times they did not travel for pleasure but to find new places where their herds could feed, or to escape from hostile neighbors, or to find more favorable climates. They traveled on foot. Their journeys were long, tiring, and often dangerous. They protected themselves with simple weapons, such as wooden sticks or stone clubs, and by lighting fires at night and, above all, by keeping together.Being intelligent and creative, they soon discovered easier ways of traveling. They rode on the backs of their domesticated animals; they hollowed out tree trunks and, by using bits of wood as paddles, were able to travel across water.Later they traveled, not from necessity, but for the joy and excitement of seeing and experiencing new things. This is still the main reason why we travel today.Traveling, of course, has now become a highly organized business. There are cars and splendid roads, express trains, huge ships and jet airliners, all of which provide us with comforts and security. This sounds wonderful. But there are difficulties. If you want to go abroad, you need a passport and a visa, ticket, luggage, and a hundred of other things. If you lose any of them, your journey may be ruined. Traveling has now become a highly organized business ()
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