My department has so many people of _________ and talent.
A. distinctive
B. instinctive
C. distinction
D. instinction
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Several heads of state were _____ attendance at the ceremony.
A. at
B. of
C. in
D. on
Air is _______, but we can feel its motion when there is wind.
A. vision
B. visible
C. visibility
D. invisible
He chose to major in a foreign language in college due to his __________lack of interest in sciences.
A. apparent
B. apprehensive
C. aspiring
D. aggressive
以下为导线扎带绑扎要求叙述正确的是( )。
A. 扎带宜从下往上穿,扎带上的刻齿朝内;
B. 扎带宜从下往上穿,扎带上的刻齿朝外;
C. 导线转角不超过4cm处开始绑扎,绑扎牢固;
D. 为防止后续导线松动,扎带绑扎后余线不用剪除;