生长素在植物体中的含量每克鲜重通常在()。
A.10~100mg
B.10~100ng
C.100~1000mg
D.1~10mg
参考答案:B
—What’s the time by your watch?
—It’s ________.
A.half to three
B.a quarter to five
C.forty past two
D.six clock
责任意识系指谈判参与者对谈判决策实施责任的()
A、理解
B、认可
C、意愿
D、监督