易发生低温冷害的水果是（）。 ["苹果","香蕉","草莓","橘子"]
The sequence of fuel injection into cylinders is determined by （）. ["the steering","the driven gear","the turning gear","the timing gear"]
在海上漂浮待救，夜间发现救助的飞机，为引起注意最好施放（）。 ["日光信号镜","手持红光火焰信号","橙黄色烟雾信号"]
下列关于代发代扣业务说法中正确的有（）。 ["代发、代扣协议的签订、变更，须经网点业务主管（含）以上级别人员签订，双方签字并加盖单位公章后生效","如单位确实无法使用公章的，可以用合同专用章代替","代发、代扣协议银行留存联由网点统一编号专夹保管","代发协议修改应由代发单位出具加盖单位公章的书面申请"]
The selection of an oil from the （） depends to a great extent on the operating conditions, the design of the engine and the type of fuel to be burned. ["commercially available","commercially","commercial available","commerce available"]
鱼类分为（）、（）、（）。
