糖异生途径的关键酶是______。
A.醛缩酶B.丙酮酸激酶C.6磷酸果糖激酶1D.丙酮酸羧化酶E.磷酸甘油酸激酶
参考答案:D
Many people are homeless in the Chile earthquake and ______ help.
A.in terms of
B.in need of
C.in spite of
D.in favour of
请问京剧中典型形象包拯属于什么脸?