以下程序的功能是：对输入的一行字符串的数字字符按它们的字面值累加，输出此累加和。例如

根据短文内容，判断下面句子正(T)、误(F)。

This is a picture of a classroom. The classroom is big and clean. You can see a teacher’s desk, five desks and six chairs. You can see a girl and a boy, too.

Three books are on the teacher’s desk. A pencil case is on the desk. Two pens and two rulers are in the pencil case. A school bag is behind a chair. A ball is on the floor.

The girl is Lucy, and she is eleven. The boy is Mike, and he is twelve. They are in Class Two, Grade Seven. They are friends. Their teacher is Miss Green. She is not here.

小题1:It’s a picture of a school.

小题2:You can see a girl and a boy in the picture.

小题3:Two books are on the teacher’s desk.

小题4:Lucy is twelve years old.

小题5:Lucy and Mike are in Class Two, Grade Eight.

颅内高压症所致呕吐的特点是（）.

A.喷射性，有恶心，呕吐后轻松

B.喷射性，无恶心，呕吐后不轻松

C.非喷射性，有恶心，呕吐后不轻松

D.非喷射性，无恶心，呕吐后轻松

E.喷射性，无恶心，呕吐后轻松

根据《城镇廉租住房管理办法》，无正当理由，廉租住房承租户连续()个月以上未在所承租的廉租住房居住的，应当按照合同约定退回廉租住房。

A.3 

B.6 

C.9 

D.12

空重车自动调整装置横跨粱组成中，磨耗板平面磨耗大于（）时须更换。

干燥综合征最早由（）

A.眼科医师系统描写

B.口腔科医师系统描写

C.外科医师系统描写

D.皮肤科医师系统描写

E.以上都不是