题目

下图表示的是人体内某生理过程，①、②、③表示物 质或结构，甲表示甲硫氨酸，乙表示丙氨酸，据图回答下列问  题： （1）从①→②过程表示的是          ，在此过程中所用的原料是          ，场所主要在          。 （2）图中的③表示的细胞器是          ，其中进行的过程被称为          。 （3）甲硫氨酸的反密码子为UAC 则对应的密码子是          。 （4）如果图中合成的多肽链由110个氨基酸组成，那么控制22、Jim is an English boy．He comes to China with his father and mother．They come here to work．Jim comes here to study． He is in No.5 Middle School．He gets up early every day．He isn't late for school．He studies hard．He can read and write English well．He often helps us with our English，and we often help him with his Chinese．After class he likes playing football，swimming，running，jumping and riding．He makes many friends here．We are glad to stay with him．On Sunday he often helps his mother clean the house，mend something or do the shopping．He likes Chinese food very much．He likes living here．He likes Chinese students very much．We all like him ，too． 根据短文内容，判断句子正误。对的在括号内填“T”，错的填“F”。 （    ） 1．He gets up late every day． （    ） 2．He often teaches us English． （    ） 3．After class，he likes singing and playing basketball． （    ） 4．On Sunday he often helps his mother clean the house． （    ） 5．He doesn't like Chinese food．