皮皮学，免费搜题
登录
搜题
【简答题】
CAD 软件主要实现 ( )、( )、( ) 三项任务。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He would certainly have got there on time ______.
A.
had he not had a flat tire
B.
if he didn't get a flat tire
C.
if the flat tire hadn't happened
D.
had the tire hadn't flattened itself
【单选题】If he had not missed the train, he ______ there by then. A. might get B. might have got C. got D. had got
A.
might
B.
might have got
C.
got
D.
had got
【单选题】He ____ angry because he ____ for a long time. [ ]
A.
had got; had waited
B.
got; waited
C.
had got; waited
D.
got; had waited
【单选题】No sooner ______ home ______ I told him the exciting news.
A.
had he got; when
B.
had he got; than
C.
he had got; when
D.
he had got; than
【单选题】When he_ _____to the cinema, the film ______for half an hour. [ ]
A.
got; had begun
B.
got; had been on
C.
had got; was on
D.
had got; had been on
【简答题】It was after he got what he had desired he realized it was not so important. A.that B.when C.since D.as
【单选题】Only when he got there _____how much damage had been caused.
A.
be realized
B.
he had realized
C.
had he realized
D.
did he realize
相关题目：