[单项选择]Apples are different in color, size, and taste. The color of the skin may be red, green, or yellow. They have various sizes, with delicious apples being among the largest. The taste may be sweet or tart (酸的) .
The color of apples’ skin may be red, green, or yellow.
[A] True.
[B] False.

[单项选择]Apples are different in color, size, and taste. The color of the skin may be red, green, or yellow. They have various sizes, with delicious apples being among the largest. The taste may be sweet or tart (酸的) .
Apples are same in color.
[A] True.
[B] False.

[填空题]You will hear five different people speaking on the subject of motorbikes. For questions 19-23, choose the phrase (A-F) which best summarises what each speaker is talking about. Use the letters only once. There is one extra letter which you do not need to use. {{B}} A{{/B}} the perfect passenger {{B}} B {{/B}}a feeling of power {{B}} C{{/B}} a lengthy career {{B}} D{{/B}} the best way to learn {{B}} E{{/B}} a family business {{B}} F{{/B}} a break with routine Speaker 1______

[单项选择]So you see, you may have different responses （） the same stimulus at different times.
A. on
B. at
C. in
D. to

[单项选择]
Theories are like apples; there are good ones and there are bad ones. A good apple is flavorful and nutritious. A good theory is one that we have good reason to believe is true, or at least likely to be true. Apples have all sorts of features that are indicative of goodness and that can be used at the store for making smart choices. An apple’s color, shininess, shape, and firmness are related to its flavor and food value. Similarly, theories have features that are indicative of their truth, and the task of justification is to identify these features and use them to guide choices as to which theories to believe. In this way, responsible theory choice and responsible science are not unlike responsible shopping. The big difference is that you get to go home and eat the apple and find out if you were right and it really does taste good. With theories, however, there is no feature that is the taste of truth, at least no
A. Both of them are either good or bad.
B. Both of them have all sorts of features.
C. Both of them have features that indicate their truth or goodness.
D. Responsible theory choice is dissimilar to responsible shopping.

[填空题]Innovation is different from creativity in that the former can be easily defined and measured.

[单项选择]Do you know why different animals or pests have their special colors Colors in them seem to be used mainly to protect themselves.
Some birds like eating locusts(蝗虫), but birds cannot easily catch them. Why It is because locusts change their colors together with the change of the colors of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown color as crops have. Some other pests with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of coloring is to protect themselves. Bears, lions and other animals move quietly through forests. They cannot be easily seen by hunters. This is because they have the colors much like the trees.
Have you ever found an even more strange act A kind of fish in the sea can send out a kind of very black liquid(液体)when it faces danger. While the liq
A. The Change of Colors for Animals and Pests.
B. Colors of Different Animals and Pests.
C. The Main Use of Colors for Animals and Pests.
D. Some Animals and Pests.