在PowerPoint 2003中，选择“插入”菜单的“______”子菜单中的“文件中的声音”后，会打开“插入声音”对话框。
A. 影片
B. 影片和声音
C. 声音
D. 对象
查看答案
若38000只有两位有效数字的话，则可写为
A. 3.8×10-4
B. 38×10-3
C. 0.38×105
D. 38
E. 3.8
Which of the following is NOT mentioned as an effect of hormones
A. Modification of behavior.
B. Influencing the early bodily formation.
C. Sensitivity to hunger and thirst.
D. Maintenance of blood pressure.
Thousands of citizens began a hunger strike to ___________ the government's inefficiency in controlling the inflation.
A. deny
B. overthrow
C. compete
D. protest
采用滴定分析法测定某药物含量时，消耗滴定液的体积是26.38ml，其实际体积应是
A. 26.38±0.Olml
B. 26.38-lml
C. 26.39ml
D. 26.37ml
E. 26.35ml
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