问题
选择题
鸡卵中进行胚胎发育的部位是[ ]
A．卵黄
B．卵白
C．胚盘
D．卵黄和卵白
答案
答案：C
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鸡卵中进行胚胎发育的部位是[ ]
A．卵黄
B．卵白
C．胚盘
D．卵黄和卵白
答案：C
| 选词填空，用方框中所给词的适当形式填空，每词限用一次。 | |
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| Tim’s birthday is 1 April. Today he wears a new T-shirt. He 2 cool. There is much nice food on the table. There are 3 some flowers. Tim likes them very much. His mother buys him a big cake and some 4 . Tim and his friends have a good time at the party. Everyone feels 5 . |