This ______ is a national prize and is awarded for the best score by a player under 16 years of age.
A. trophy
B. treat
C. trifle
D. tribute
赵老师从因特网上找到了一份对自己有用的文字材料,他用复制、粘贴命令把它放到Word中,发现里面有大量的无用空格,他打算把这些空格全部去掉,下列方法中最适当的是()。
A. 用delete键一一删除
B. 用退格键一一删除
C. 用替换命令
D. 重新从网上拷贝,每次只拷贝连贯无空格文字
The organ transplant community has______humans and monkeys for ethical reasons.
A. knocked out
B. bailed out
C. pointed out
D. ruled out