--How () can you finish the drawing--In about half an hour.
A. long
B. soon
C. often
D. much
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关于CT图像的叙述,正确的是
A. 空间分辨率高
B. 定位准确无误
C. 定性准确可靠
D. 较多反映病灶的解剖结构
E. 较多反映器官功能状况
I won't allow you to go out ______ you finish your homework.
A. without
B. unless
C. except for
D. when
以下合法的VB变量名是( )。
A) _x
B) 2y
C) a#b
D) x_1_x
So loudly()that the audience in the back heard him clearly.
A. does he speak
B. he speaks
C. did he speak
D. he spoke