7．December is _______ month of the year.

　　 A. twelve　 B. twelfth　 C. the twelfth　　 D. the twelve

6．My brother lives in ______ on ______ floor.

　　 A. six Room ;second　　　 B. Room six ;the second　

　　 C. Room six; two floor　　 D. the room six ; the second

5．When he moved to Germany in ______ , he was already in _______ .

　　 A. the fifties; his sixties　 B. fifties; his sixties　

　　 C. the fifties; his sixty　　 D. fifty; sixty

4．--- How long will your stay here ?、

　　 ---For ________ .

　　 A. one and two day's　 B. one and two day　 C. a day or two　 D. one or two day

3.　It will take _______ time to finish the work.

　　 A. one and a half years'　　 B. a year and half　　 C. one and a half year's　 D. a year and half's

2.　About _______ of the surface of the earth _______ covered with water.

　　 A. three quarter, is　　 B. three quarters, has　　 C. three quarters, is　　 D. three quarter, are

1.　_______　 of people in the world are sending information by E-mail ever day.

　　 A. Many million　 B. Several million　 C. Several millions　 D. Many millions

4．答案： A。 此题主要考查基数词的编号。在通常情况下，名词编号有这几种表示法： 1。事物名词+基数词，且每个单词的首字母都要大写。如：Lesson Eleven；2。定冠词+基数词+事物名词。如： No. 6 Middle School

　练习与巩固：熟能生巧，取得好成绩！

　选择填空：

3．答案：C。此题主要考查英语中的分数表示法。英语中表示分数时，分母用序数词，分子用基数词，当分子大于1时，表示分母的序数词后要加s.

2．答案： B。此题主要考查序数词的运用。