在104键盘中,辅助键区的功能键区各有多少个键()。
参考答案:30.12
Fill in the blanks with the given words. 用所给单词的适当形式填空。
1. He (catch) an apple down from the tree.
2. She gets a bunch (束) of (flower) from him.
3. Li Ming is (shop) in a big department store.
4. Danny (hurt) his hand yesterday.
5. It will be a warm, (sun) day tomorrow.
目前认为心肌保护效果更好、也方便手术的心肌保护方法是()
A.低温晶体液
B.低温氧合血
C.心肌预缺血低温晶体液
D.不阻断主动脉
E.常温氧合血