恩格斯指出：“原则不是研究的出发点，而是它的最终结果；这些原则不是被应用于自然界和人类历史，而是从它们中抽象出来的；不是自然界和人类去适应原则，而是原则只有适合于自然界和历史的情况下才是正确的”。这段话说明
A．自然界、人类历史是第一性的，原则是第二性的
B．原则有正确和不正确之分
C．认识世界、改造世界都要坚持一切从实际出发
D．原则是无关紧要的
参考答案：A,B,C
| 完形填空。 |
| A: l season do you like best, Jerry? B: Well. In Canada I like fall 2 . The sky is very 3 . The 4 are colorful. A: Which season do you like 5 ? B: I like 6 best. We go up north. We play 7 the snow. A: Winter is beautiful. But it's too 8 for me. I like 9 . I like 10 in the sea. |
| ( ) l.A. What ( ) 2.A. best ( ) 3.A. green ( ) 4.A. leaf ( ) 5.A. better ( ) 6.A. spring ( ) 7.A. at ( ) 8.A. cold ( ) 9.A. summer ( ) 10.A. swimming | B. Which B. often B. white B. leaves B. good B. summer B. in B. cool B. winter B. to swim | C. How C. too C. blue C. left C. best C. winter C. under C. hot C. full C. swim |