问题
选择题
下列反射活动中，可不受大脑控制的是 [ ]
A．听到铃声，立即进入教室
B．看到伤心的故事，不由自主地落泪
C．手碰到火立即缩回来
D．听到“酸梅”就流“口水”
答案
答案：C
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下列反射活动中，可不受大脑控制的是 [ ]
A．听到铃声，立即进入教室
B．看到伤心的故事，不由自主地落泪
C．手碰到火立即缩回来
D．听到“酸梅”就流“口水”
答案：C
| 补全对话。 | |
Li Fei: Yes, it's on the fifth day of the fifth lunar (阴历) month. We call it Dragon Boat Festival Nathan: 2_____ Li Fei: We make and eat zongzi and hold dragon boat races. Nathan: 3_____ Why do you celebrate Dragon Boat Festival? Li Fei: Oh, it is a story about Qu Yuan. He lived about two thousand years ago. His job was to give advice to the emperor. But he wasn't trusted and often got punishment. So he jumped into the Miluo River and died. Nathan: 4_____ Was the day that Qu Yuan died on the fifth day of the fifth lunar month in that year? Li Fei: 5_____ From then on, Chinese people began to eat zongzi and have dragon boat races on that day to memorize him. |
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