The reason why I didn't go to Shanghai was ________ a new job.
A. because of got
B. because I got
C. I got
D. that I got
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注射剂的等渗调节剂应选用( )
A. 硼酸
B. NaCl
C. 甘露醇
D. Na2CO3
It worried her a bit ____ her hair was turning grey.
A. while
B. that
C. if
D. for
Henry killed the dog. I'll ask him why ________.
A. did he do that
B. he did that
C. he does that
D. he has done so
滴眼剂的质量要求中,哪一条与注射剂的质量要求不同( )
A. pH值
B. 渗透压
C. 无菌
D. 热原