首创“疏议”，并把对律文的解释和补充形式推到了一个新阶段的朝代是（ ）
A．秦朝
B．汉朝
C．晋朝
D．唐朝
参考答案：D
Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs.
A．apply
B．admit
C．adapt
D．accept
一个地区生态环境的变化和生物多样性的复杂程度呈（）。
A、正相关
B、负相关
C、U型相关
D、倒U型相关
