林先生喜得贵子,但从那时起,他有了一些烦恼.原来,从他的爷爷到爸爸,再到他,林家人都有着“鹰钩鼻”,他常引以为豪,可不知怎么,自己的儿子却长了一个“小塌鼻”,他看着别扭,莫非这个孩子是在医院抱错了?你能运用所学知识设计实验帮助林先生解开心中的谜团吗?
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____When do you have class? At 10:00 a.m. A、
____When do you play sports? At 4:00 p.m. B、
____When do you eat dinner? At 5 p.m. C、
____When do you eat breakfast? At 7:00 a.m. D、
____When do you do morning exercises? At 6:00 a.m. E、
____