问题
单项选择题
上消化道系指
A．口腔到胃
B．口腔到食管
C．口腔到回肠
D．口腔到空肠
E．口腔到十二指肠
答案
参考答案：E
解析：上消化道系指口腔到十二指肠。
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上消化道系指
A．口腔到胃
B．口腔到食管
C．口腔到回肠
D．口腔到空肠
E．口腔到十二指肠
参考答案：E
解析：上消化道系指口腔到十二指肠。
| 改错。 | |
| Last month we bought our two-years-old daughter a little dog. There are not many children of her age where we lived, and we thought a dog would make her less alone. We were right. They play together happy all day. Our daughter now smiles and laughs a lot more than she used. In a way it is like having two children in the house. All of them are very untidy, but they cry when they do not get what they want. The dog is easy to look after than my daughter. He always eat up his food and we don’t have piles of dirty clothes to wash. My wife is also happy because of | 1._________ 2._________ 3._________ 4. _________ 5.__________ 6.__________ 7.__________ 8.__________ 9.__________ 10.__________ |