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问题
填空题
软管式内窥镜适用于检测孔至被检区之间为()的情况
答案
参考答案:不是直通道
补全对话,情景问答
给问句选择合适的答语。
( ) Is your little sister pretty?
( ) What colour are your eyes?
( ) Do you have a long pencil?
( ) What colour is your hair?
( ) How many apples do you have?
A. Yes, I have.
B. It is black.
C. Yes, she is.
D. They are brown.
E. I have six.
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判断题
反刍家畜可以直接利用饲料中的粗脂肪合成畜体脂肪。
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