【判断题】Premiere Pro CS6可以为影片在开始前加入一段彩条。在“项目”面板下方单击“新建分项”按钮 ,在弹出的列表中选择“彩条”选项,即可创建彩条。
【判断题】创建Premiere Pro CS6可以在影片中创建一段黑场。在“项目”面板下方单击“新建分项”按钮 ,在弹出的列表中选择“黑场”选项,即可创建黑场。
【判断题】Adobe Premiere Pro CS6专门提供了一个功能强大的字幕设计器,不仅可以创建文字、图形字幕,还可以实现动态字幕的制作。
【单选题】Silver is the best conductor of electricity, copper ______ it closely.
【简答题】Directions: In this section you are required to write an essay in accordance with following requirements. A. Title: Scientific Discovery-Curse or Blessing B. Time limit: 40 minutes C. Word limit: 180—...
【单选题】6502电气集中,办理调车进路时,按压始端和终端按钮后,进路中某道岔由于故障不能转换到规定的位置,选路电路只能动作到始端()继电器吸起。
【单选题】According to the passage, theorists throughout history have considered all of the following as possible reasons for the ornamentation of male plumage EXCEPT
A.
Adornment attracts females on the basis of unconscious aesthetic preferences, increasing their evolutionary advantage.
B.
Adornment attracts females to males who resemble their preferred food source, thus contributing to the mating process.
C.
Adornment among males signifies heightened physical activity to females, thereby indicating evolutionary superiority.
D.
Adornment reduces the amount of energy necessary to frighten rival males, thereby conserving resources.
E.
Adornment in plumage frightens rivals away from a limited food source, thereby ensuring a dominant male's survival.
【判断题】如果转辙机故障而不能转动,但转辙机可以被检测到在定位或是反位且可以被锁闭时,联锁子系统允许办理经过该道岔位置的进路并走行列车;
【多选题】关于道岔转换,以下描述正确的是( )。
A.
在进路被锁闭或者道岔轨道电路区段被占用时,道岔不能转换
B.
道岔轨道电路区段发生故障时,在排除故障之前道岔不能转换
C.
道岔的定位、反位表示必须与道岔的实际位置和动作保持一致
D.
道岔开始转换后,即使列车驶入轨道电路区段,道岔仍应转换到底
【单选题】1饮水机厂商只生产一种,同时向家庭、机关、学校、银行、餐厅等各类用户销售,这是一种( )策略。