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【单选题】
Which of the following is not a definition to determine a product's ability to operate as intended?A.
. distance
B.
. performance
C.
. function
D.
. condition
E.
. All are definitions
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举一反三
【单选题】My mother invited my friends _______with us．
A.
have dinner
B.
to have dinner
C.
has dinner
D.
to have to dinner
【简答题】. Lucy ____ a big head, but I _____ a small one. A. have, has B has, have C. has, has D. have, have
【单选题】Bob ____a cold And Mary and Sue ____colds ,too . They shouldn’t exercise . A . has; has B . has; have C . have ; has D . have ; have
A.
． has; has
B.
． has; have
C.
． have ; has
D.
． have ; have
【单选题】通过添加授权文件进行授权时，点击（ ）添加授权文件。
A.
【Activate license 】
B.
【Sign in】
C.
【ADD standalone license file】
D.
【Save standalone license file】
【单选题】通过添加授权文件进行授权时,点击( )添加授权文件。
A.
【Activate license 】
B.
【ADD standalone license file】
C.
【Save standalone license file】
D.
【Sign in】
【单选题】碳弧气例清根时,碳棒直径和例削电流可根据()经验公式选择。
A.
/=(10-30)d
B.
/=(30-50)d
C.
/=(50-70)d
D.
/=(70-90)d
【简答题】列出当前目录下所有最近20分钟内更新过的文件。
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