皮皮学，免费搜题
登录
搜题
【单选题】
下列关于工作安全性的叙述,哪一项错误?( )A.
为保护您本人免受创伤或烧伤,尽可能不要把皮肤暴露在外;
B.
仅在指定区域放置汽油和机油;
C.
如果在危险情况下并未受伤,则没有必要汇报;
D.
由于维修场所不合适或工作人员步小心,出现事故必须整改汇报。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】8. I'm feeling sick. I ____________ so much chocolate.A. can't have eaten B. needn't have eaten C. shouldn't have eaten D. won't
have eaten
【单选题】I'm feeling sick. I ____ so much chocolate.
A.
can't have eaten
B.
needn't have eaten
C.
shouldn't have eaten
D.
won't have eaten
【单选题】Please tell her the news when she_____. OK, I will.
A.
comes
B.
will come
C.
come
D.
would come
【简答题】据悉，有些工厂生产的配制酱油中致癌物--氯丙醇含量严重超标，而在酿制的酱油中则不含氯丙醇．氯丙醇中又以三氯丙醇对人体的危害最大，其化学式为C 3 H 5 Cl 3 O，下列说法错误的是（ ） A．三氯丙醇是有机物 B．三氯丙醇的相对分子质量是1.5 C．三氯丙醇分子中C、Cl、O元素质量比为3：3：1 D．烹调时应以酿制酱油代替配制酱油
【单选题】I'm feeling sick. I ______ so much chocolate.
A.
needn't have eaten
B.
couldn't have eaten
C.
mustn't have eaten
D.
shouldn't have eated
相关题目：
【单选题】Please tell her the news when she_____. OK, I will.
A.
comes
B.
will come
C.
come
D.
would come