由A(3,2),B(﹣1,﹣3)两点确定的直线不经过[ ]
A.第一象限
B.第二象限
C.第三象限
D.第四象限
答案:B
When you keep your promises, no matter how much effort it takes, you will be ________.
A.calculated
B.confirmed
C.rewarded
D.evaluated
酶合成的调节机制