[单项选择]When you are near a lake or a river, you feel cool. Why The sun makes the earth hot, but it can’t make the water very hot. Although the air over the earth becomes hot, the air over the water stays cool. The hot air over the earth rises. Then the cool air over the water moves in and takes the place of the hot air. Then you feel the cool air and the wind, which makes you cool.
Of course, scientists can’t answer all of your questions. If we ask, "Why is the ocean full of salty" scientists will say that the salt comes from rocks. When a rock gets very hot or very cold, it cracks. Rain falls into the cracks. The rain then carries the salt into he earth and into the rivers. The rivers carry the salt into the ocean. But then we ask, "What happens to the salt in the ocean The ocean doesn’t get more slat every year." Scientists are not sure about the answer to this question.
We know a lot about our world. But there are still many answers that we do not have, and we are curious.
You
A. the water is cold
B. the earth is hot
C. the water is colder than the earth
D. cool air from the water moves towards the land

[单项选择]When you are near a lake or a river, you feel cool. Why The sun makes the earth hot, but it can’t make the water very hot. Although the air over the earth becomes hot, the air over the water stays cool. The hot air over the earth rises. Then the cool air over the water moves in and takes the place of the hot air. Then you feel the cool air and the wind, which makes you cool.
Of course, scientists can’t answer all of your questions. If we ask, "Why is the ocean full of salt" scientists will say that the salt comes from rocks. When a rock gets very hot or very cold, it cracks. Rain falls into the cracks. The rain then carries the salt into he earth and into the rivers. The rivers carry the salt into the ocean. But then we ask, "What happens to the salt in the ocean The ocean doesn’t get more slat every year." Scientists are not sure about the answer to this question.
We know a lot about our world. But there are still many answers that we do not have, and we are curious.
The
A. people feel cool when they are near a lake or river
B. scientists can explain everything we want to know
C. scientists can explain many things but not everything
D. the salt in the ocean comes from rocks

[简答题]节日假期安排 Near the lake

[填空题]
Do you feel sad Happy Angry You may think that the way you show these emotions is unique. Well, think again. Even the expression of the most personal feelings can be classified, according to Mind Reading game, a DVD displaying every possible human emotion. It demonstrates 412 distinct ways in which we feel the first visual dictionary of the human heart.
Attempts to classify expressions began in the mid-1800s, when Darwin divided the emotions into six types-anger, fear, sadness, disgust, surprise and enjoyment. (46) . Every other feeling was thought to derive from Darwin’s small group. More complex expressions of emotions were probably learned and therefore more specific to each culture. But now it is believed that many more facial expressions are shared worldwide. (47) . The Mind Reading DVD is a systematic visual record of these expressions.
The project was conceived by a Ca