关于脑膜瘤,叙述正确的是()
A.多为良性肿瘤
B.男性较女性多见
C.免疫组织化学染色中,脑膜瘤EMA多为阴性
D.是颅内发生率最高的肿瘤
E.最常发生于颅窝
参考答案:A
|x+1|+|x-2|+|x-2012|的最小值为______.
句型转换。
1. The little girl feels a little afraid. (改为一般疑问句)
_______ the little girl _______ a little afraid?
2. Does the camel eat fruit?. (就疑问句做否定回答)
_______, ________ ________.
3 .The kangaroo comes from Australia. (改为同义句)
The kangaroo _______ ________ Australia.
4. There are (1600) pandas in the wild in China. (就括号部分提问)
_______ _______ pandas in the wild in China?
5. people Sixteen it every day. thousand visit (连词成句)
_________________________________.