在气相色谱法中，理想的色谱固定液不需要满足（）
A.选择性高
B.化学稳定性好
C.热稳定性好
D.黏度低
E.分子量大
参考答案：E
The football player felt guilty because he said some really cruel things, but actually he
wouldn’t stand _______their team lose.
A．seeing
B．to see
C．having seen
D．to have seen
长途跋涉所致的骨折最常发生在（）。
A.股骨颈
B.股骨干
C.第二跖骨
D.胫骨干
E.距骨
