题目

人的体细胞中有23对染色体，人的卵细胞内染色体的数目是     （   ）A．46条B．23对C．46对D．23条 答案：D解析:略I like my Chinese teacher very much．He is a  1  man，about 25 years old．1ie is tall 2 short black hair．He is a very humorous（幽默的）person．He often  3  us jokes（笑话）and  4  to make our class more  5 ．In class，he is a very  6  teacher．If we don’t listen to him carefully，he will give us some punishment（惩罚）by  7  us some questions．But after class，he becomes a very good  8  of us．He often talks with the girls and plays  9   with the boys．All of us really like him．He is our  10  teacher． 1．A．old                 B．young           C．very old          D．aged 2．A．and                B．for               C．with             D．at 3．A．tells                  B．says             C．speaks          D．speak 4．A．a story           B．storys           C．story              D．stories 5．A．tired               B．difficult         C．interesting       D．boring 6．A．busy              B．strict            C．interested        D．well 7．A．ask                B．asks             C．asking          D．asked 8．A．teacher           B．teachers        C．friend           D．friends 9．A．a basketball       B．the basketball   C．basketballs      D．basketball 10．A．favorite         B．the favorite      C．favoritest               D．a favorite