【单选题】Simon used to be _______, but now he takes part in different activities and has made many new friends.
【单选题】开发建设项目水土保持方案要求在( )完成编制。
【单选题】船舶在能见度不良水域航行时的安全航速是指()。
C.
能采取适当而有效的避碰行动,并能在合适当时环境和情况的距离以内把船停住的速度
【单选题】船舶在能见度不良水域航行时的安全航速是指()。
D.
能采取适当而有效的避碰行动,并能适合当时环境和情况的距离以内把船停住的速度
【单选题】(中职)下面哪一个选项是空缺处的最佳答案? Simon used to be ________, but now he takes part in different activities and has made many new friends.
【单选题】Simon used to be _______, but now he takes part in different activities and has made many new friends.