Why can mobile phone be a much more serious problem?
A.Because people hate the businessmen using mobiles in public places.
B.Because the use of mobile phones can be physically harmful.
C.Because there is strong evidence for the problems of mobiles.
D.Because people feel their privacy unprotected in a café or restaurant.
第3题
鳀鱼其鱼体细长,一般长达()左右,肉质细腻,味鲜美。
A.5厘米
B.13厘米
C.25厘米
D.33厘米
第8题
使用无线电台发话时,话筒与嘴的距离约()左右,话筒倾斜四十五度左右。
A.5厘米
B.10厘米
C.15厘米
D.20厘米
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