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【单选题】
如图所示,当条形磁铁快速从线圈左侧插入、右侧拨出时,电阻R的电流方向( )
A.
一直为由 a → b
B.
一直为由 b → a
C.
插入时为由 a → b ,拨出时为由 b → a
D.
插入时为由 b → a ,拨出时为由 a → b
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举一反三
【简答题】C语句片段如下: scanf("%d",&a); printf("%d",a); 请你根据上述程序片段连线。
【单选题】关于阴道壁,下述哪项是错误的()
A.
阴道黏膜为复层鳞状上皮
B.
阴道壁富有静脉丛,局部损伤易形成血肿
C.
阴道黏膜受卵巢激素的影响有周期性变化
D.
阴道上皮富有腺体,故妇女常有白带多的症状
E.
阴道有很多横纹皱襞,外覆有弹力纤维,故有很大的伸展力
【简答题】adj 天真无邪的,清白的
【单选题】一 I'm not crazy. I really did see a UFO. — Well. We'll _____ your story. [     ]
A.
look into
B.
look through
C.
look over
D.
look up
【简答题】分析以下三组构图,说说哪组最适合进行素描写生,为什么 ? 图一 图二 图三
【单选题】以下程序的功能是:按顺序读入10名学生4门课程的成绩,计算每位学生的平均分并输出,程序片段如下: sum=0.0; for(n=1;n<=10;n++) { for(k=1;k<=4;k++) { scanf(“%f”,&score); sum+=score; } ave=sum/4.0; printf(“NO%d:%f\n”,n,ave); } 上述程序运行后结果不正确,调试中发现有一条语句出现...
A.
sum=0.0;
B.
sum+=score;
C.
ave=sum/4.0;
D.
printf("NO%d:%f\n",n,ave);
【单选题】—I’m not crazy. I really did see a UFO. —Well. We'll_____ your story. [     ]
A.
look into
B.
look through
C.
look over
D.
look up
【单选题】I’m going to the match too, so I’ll ___________for you. Maybe we can go somewhere afterwards.
A.
look out
B.
look up
C.
pick out
D.
pick up
【单选题】--Excuse me, sir. Look at the sign on the wall “NO ____”. --Oh, I’m sorry. I’ll never do it again.
A.
PARKED
B.
SMOKE
C.
SPITTING
D.
SMOKED
【单选题】-Look! The dress over there is so beautiful. I’ll take it. -You’d better ________first. I’m afraid it’s too short for you.
A.
pay for it
B.
put it on
C.
try it on
D.
wait for it
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