国家标准规定如物体的肋、轮辐等按纵向剖切时,它们()剖面符号,而用()与相邻部分分开。
参考答案:不画;粗实线
书面表达。
Anna正在给她的朋友Sonia写一张介绍长春的明信 片。长春被称为“森林之城”,游人
很多,吃的东西也各具特 色。请你帮她完成这张明信片。每空一词。
Dear Sonia,
I'm writing this postcard in Changchun. I would like to 1. _______ you something about
Changchun. It is called "a 2. _______ of forest". Every year thousands of visitors come here to have
fun. We can enjoy all kinds of food here. Yesterday my parents 3. _______ I went to the
Dumpling House. We had dumplings 4. _______ beef and carrots. They were 5. _______.
We had a great time!
Anna
适宜行经皮内镜下穿刺胃空肠造口术的是()
A.胆瘘
B.食管梗阻
C.低位肠瘘
D.腹壁广泛损伤
E.大量腹腔积液