Defective atomizer in a diesel engine will lead to（）.
A. smoky exhaust
B. starting failure
C. overload
D. over speed
Mariners must ascertain that deck loads are stowed in such a manner as（）.
A. to affect the vessel's stability
B. not to affect the vessel's stability
C. to keep the vessel on even keel
D. not to keep the vessel on even keel
要想移动背景图层中图像的位置，下列（）操作是正确有效的。
A. 利用移动工具拖动
B. 按Ctrt+A键全选背景图层，然后利用移动工具拖动
C. 按Ctrt+T键调出变换控制框，然后利用移动工具拖动
D. 单击背景层左侧的眼睛图标将其隐藏，然后利用移动工具拖动
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