卷制锥体时,在将板料放入卷板机时,其小口靠近卷板机架子的一头,其纵边平行于下辊的()。
A、边缘
B、轴线
C、中心线
D、公切线
参考答案:C
首字母填空。根据短文大意和首字母提示填空
A man tried to catch monkeys to sell them to zoos. The monkeys, however, were very c 小题1: and every kind of trap(计谋) that he set failed.
A young boy watched the man’s efforts and then took a pot with a narrow(狭窄的) neck. He placed a few peanuts around the pot and put lots of peanuts i 小题2: it. He then tied the pot to a tree and he told the man, “We should have a m 小题3: in a few hours.”
Some monkeys soon discovered the peanuts and the pot. One put his hand into the pot e小题4: and got a handful of peanuts, but he couldn’t p 小题5: his hand with peanuts out of the narrow opening of the pot. The monkey was a 小题6: and began to cry. Some of the other monkeys tried unsuccessfully to pull the pot off his hand.
The boy and the man heard the noise. As the boy came near to the monkeys with a bag, the monkeys all ran away e 小题7: the one with its hand in the pot. The boy packed the monkey and the pot into the bag. The man was s 小题8: and asked the boy the secret of his monkey trap. “Why was it so easy for the monkey to get his hand in but so h小题9: to get it out?”
The boy laughed and said, “The monkey could get his hand back out if he let go of the peanuts in the pot, but he just wasn’t w 小题10: to let go. They never are.
()通过称重来评定泡茶用水水质的高低。
A.乾隆
B.宋徽宗
C.陆羽
D.老子