有算术表达式((a+b)-c/(d+e)+f)*(g+h),其前缀和后缀表达式分别为()。
A. *+-+ab/c+def+gh、ab+cde+/-f+gh+*
B. *+-ab+/c+def+gh、ab+cde+/-f+gh+*
C. *+-+ab/c+def+gh、ab+cde+/-+fgh+*
D. *+-+ab/c+edf+gh、a+bcde+/-f+gh+*
查看答案
The new residential blocks were skillfully ______ with the rest of the College to form a pleasing, .self-contained whole.
A. embedded
B. embraced
C. integrated
D. synthesized
对于重度贫血伴缺氧症状者,其护理措施正确的是( )
A. 卧床休息,减少心脏负荷
B. 吸氧,改善组织缺氧
C. 保持房间温暖,以免因寒冷加重缺氧
D. 改变体位宜缓慢,避免登高
E. 以上均正确
In the last paragraph, the author implies that ______.
A. anatomists and geneticists are morally questionable
B. genes are as much a part of a human form as pancreas
C. the pancreas has greater human importance than genes
D. people are more interested in patenting genes than pancreas
以下实验室检查结果中对诊断病毒性心肌炎最有意义的是( )
A. 白细胞增高
B. 乳酸脱氢酶的增高
C. X线心影扩大
D. 心电图ST-T改变
E. 血清中和抗体效价增高4倍以上