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【单选题】
当JK触发器的J端和K端都悬空时,触发器具有的逻辑功能是( )A.
保持
B.
置0
C.
置1
D.
翻转
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【简答题】( ) 1. A. d ear B. h ear C. n ear D. b ear ( ) 2. A. c oa st B. fl oa t C. s oa p D. br oa d ( ) 3. A. fl ow B. pl ow C. sl ow D. yell ow ( ) 4. A. c u stomer B. rep u blic ...
【单选题】— If there are ______ people driving, there will be ______air pollution. — Yes, and the air will be fresher. A. less; less B. less; fewer C. fewer; fewer D. fewer; less
A.
less; less
B.
less; fewer
C.
fewer; fewer
D.
fewer; less
【单选题】I hope we will have _____ people and _____ pollution. [ ]
A.
fewer; less
B.
fewer; fewer
C.
less; less
D.
less; fewer
【简答题】P A S S AG E T H R E E (1) R ea d ing awar d - w inning li t e r a tu r e m ay boost y our ab i l i ty to read ot h er p e op le , a new s t udy sug g ests. R ese a rch e rs a t the N ew S c hool f o ...
【单选题】There are ________ bears on the earth because they have ____________ space on it．
A.
fewer and fewer；less and less
B.
more and more；fewer and fewer
C.
less and less；fewer and fewer
D.
more and more；less and less
【简答题】A Speech of Welcome A g r oup of i n te rn a t ional students (or busines s a s s oc iates , g o ve rn me n t o f f ic i al s , et c ) come to v i si t your u n iver s ity (y our hometo wn or co m pan...
【单选题】I hope we will have _______ people and _______ pollution.
A.
fewer, less
B.
fewer, fewer
C.
less, less
【单选题】There will be _____ people and ____ pollution in the future .
A.
Less ; less
B.
Fewer ; fewer
C.
Less ; fewer
D.
Fewer ; less
【单选题】There will be ___________space for wildlife if we keep cutting down forests.
A.
fewer and fewer
B.
fewer and less
C.
less and less
D.
less and fewer
【简答题】以下程序的功能是用以删除字符串所有的空格。请填空。 main() { char s[100]={"Our teacher teach C language!"}; int i,j; for(i=j=0;s[i]!= ;i++) if(s[i]!= ' ') { s[j]=s[i]; ; } s[j]= ; printf("%s\n",s); }
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