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【单选题】
发送电子邮件时,应该注意( )。A.
添加附件时不能发送可执行文件
B.
收件人与抄送人地址要一致
C.
收件人与主题必须要填写,正文可以不填写
D.
正文不可以修饰
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反馈参考答案：
举一反三
【简答题】心跳呼吸骤停时心脏复苏成功的标志之一是口唇、 甲床颜色 。
【单选题】Clinical evidence began to__________, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.
A.
operate
B.
straighter
C.
approve
D.
accumulate
【简答题】在使用色阶命令调整图像时,选择____通道是调整图像的明暗。
【单选题】Clinical evidence began to ______ suggesting that the new drugs had a wider range of useful effect than had been predicted from experiments in animals.
A.
operate.
B.
strengthen
C.
accumulate
D.
approve
参考解析：
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