In 1948, three American scientists invented ____ transistor, which is ____ small electronic device to control an electric current.
发布时间:2021-07-22
A.the; a
B.a; a
C.the; the
D.a; the
试卷相关题目
- 1Her daughter was so lovely _____ little girl that everybody in the street would smile at her at _____ first sight.
A.a; /
B.the; a
C.the; the
D./; the
开始考试点击查看答案 - 2The Browns have six children altogether. It is obvious that ________ little money the present job brings Mr. Brown can hardly support so large ________family like that.
A./; the
B.a; the
C.a; /
D.the; a
开始考试点击查看答案 - 3Dan Brown , _____ author of The Da Vinci Code,is _____ very famous American writer.
A.a; the
B.the; the
C.the; a
D.a; a
开始考试点击查看答案 - 4After the violent earthquake, Japan has been still in ______ trouble and the whole world seems to be at ______ end.
A.the; an
B.the; /
C./; an
D./; the
开始考试点击查看答案 - 5The man making _____ living by cheating the public ended up in ______ prison.
A.a, the
B.不填,不填
C.a, 不填
D.不填, the
开始考试点击查看答案 - 6We don 't think the experiment is ____ failure. At least we have gained ______ experience for future success.
A.the; a
B.a; /
C.a; an
D.the; the
开始考试点击查看答案 - 7Some researchers are finding that daydreaming may be important to ______ mental health and it is ______ good means of relaxation.
A.the; 不填
B.不填 ; the
C.不填; a
D.不填; 不填
开始考试点击查看答案 - 8If you don 't know that _____ failure is the mother of success, you are sure to be _____ failure in life.
A./; /
B.a; a
C.a ; /
D./; a
开始考试点击查看答案 - 9— ______ large number of trees have been stolen from the forest,haven 't they? —Yes. ______ number of them is 26,000.
A.The;The
B.A;The
C.A;A
D.The;/
开始考试点击查看答案 - 10Welcome to our online mall! If you buy ______iphone4 here, you can get a watch for _____free.
A.a; /
B.an; the
C.an; /
D.the; the
开始考试点击查看答案