下列属于连续型操作技能的是（）
A.滑冰
B.开汽车
C.弹钢琴
D.跑步
E.打字
参考答案：A, B, D
保护生物多样性最有效的措施是
A．建立自然保护区
B．国际合作
C．法制管理
D．特殊保护
—I hear that you will be on travel again.
—Yeah. My boss ________ for me to discuss business details with someone from another company. [ ]
A. asked
B. arranged
C. sent
D. called
