How many make a triangle?[ ]
A. lines
B. line
C. a line
答案：A
腹腔镜下阑尾切除术的适应证包括（）.
A.盲肠壁内阑尾炎
B.急性化脓性阑尾炎
C.急性单纯性阑尾炎
D.阑尾炎穿孔性腹膜炎
E.慢性阑尾炎
请根据图片写出相应的单词,描述各地的天气变化。
1. Beijing is __________ today.
2. It's __________ in Shanghai.
3. It's ___________ in Moscow.
4. In Toronto, it's _________today.
5. It's _______ in Sydney.
today.
in Shanghai.
in Moscow.
Toronto, it's _________
today.
in Sydney.