以下程序段的输出结果是（　　）。 id='370211200101018956' t=(id[6:10], id[10:12], id[12:14]) date='-'.join(t) print(date)

定义:令T和S是X上的两个拓扑,称T弱于S(S强于T)若TS.现设T弱于S,令id:X——>X,id(x)=x.以下那句是真的? A: id:(X,T)——>(X,S)是连续的 B: id:(X,S)——>(X,T)是连续的 C: AB都不真

Must I borrow the book with an ID card? No, you. A: mustn’t B: needn’t C: shouldn’t

已知如下文法:E→TE’|E’→+TE’|T→FT’T’→*FT’|F→(E)|id则Follow(F)=(). A: {*,+} B: {*,} C: {+,#,)} D: {*,+,#,)} E: {#,)} F: {*,+,#,),id}

excited trusted wanted A: /id/ B: /t/ C: /d/

构造下面文法的LL(1)分析表。 D→TL T→int|real L→id R R→,id R|ε

下列代码为创建图书视图的代码，请选择所缺少的部分代码。 v_book (barcode,bookname,author,price,booktype) barcode,bookname,author,price,typename FROM tb_bookinfo AS b ,tb_booktype AS t WHERE b.typeid=t.id;

I won’t let you in you show me your ID card.

People who haven't got an ID card or passport cannot board the plane.

create table t（id int not null, a int default 0, b int default 0, c int default 0, primary key（id）, key idx_a_b（a, b））;下面语句能够利用到索引的是（） A: select b from t where a=10; B: select * from t where a=10 and id=100; C: select * from t where a=10 and b＞100; D: select * from t where a＞10 and b ＜ 100; E: select * from t order by b limit 10;