题目

下列说法正确的是(     ) A.人的性染色体只存在于精子和卵细胞中 B.人的精子的染色体组成是22条+XY C.人的卵细胞的染色体组成是22条+XX D.人的性别在形成受精卵的时候就决定了 答案:DThere is a big shop near my home. There are many different things in 1     It also sells the things for sports. Many people 2      shopping in the shop every day. They are 3      and old,women and men.It’s Sunday afternoon. My mother and 4      are in the shop. Mother wants to get (买) some food for  5     . She gets some meat,fish  and  30 eggs. They all look fresh (新鲜的) but they are not very  6     . I want a 7      bats and  a baseball. The people in the  8      are very friendly.The shop 9      early in the morning and closes late in the evening. People can get things after 10      .(   ) 1. A. its    B. them    C. it    D. there(   ) 2. A. go    B. do    C. get    D. come(   ) 3. A.  new    B. young    C. nice    D. broken(   ) 4. A.  I    B. my    C. mine    D. me(   ) 5. A.  breakfast    B. supper    C. herself    D. eat(   ) 6. A.  good    B. enough    C. dear    D. many(   ) 7. A.  of    B. set of    C. set    D. for(   ) 8. A.  library    B. school    C. home    D. shop(   ) 9. A.  open    B. opening    C. opens    D. opened(   ) 10. A. job    B. work    C. school    D. class
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