题目

下列有关人体激素调节的叙述中最为科学的是 A.如果长期生活在缺碘环境中易患肢端肥大症 B.如果幼年时期生长激素分泌不足会患呆小症 C.如果成年人甲状腺激素分泌过多易患巨人症 D.食用加碘盐，可有效预防地方性甲状腺肿 答案：D The winter's first snow made most kids happy, but not for Tom. After school he came home with an unhappy look on his face. “Tom, it's snowing,” said his mother. “I know, ” Tom replied. “Tomorrow is Saturday, and there will be ①n_______ to do.”Tom loved to be outside during summer. He loved swimming，hiking, and riding his bike.②W________ the winter's first snow came. Tom was always sad. He couldn't swim, hike, or ride his bike.Tom's mother knew he was unhappy.③她尽力用曲奇饼使他感觉好点儿。It only took him a few minutes to eat them up, and then his unhappy face returned.The next morning their doorbell rang—it was Penny, their neighbor.④She asked Tom to go outside to make a snowman with her_Tom wrinkled (皱起) his nose. “Yes, yes, Tom would like to go, ” his mother said and sent him out with Penny.Penny and Tom made a very large snowman.Then Penny took out two pairs of snowshoes.They put on the snowshoes and went for a walk through the trees behind the house. At last, they met some friends and started playing sled (雪橇) together.When Tom came home for lunch, his unhappy face was gone.1.①________　②________ 任务二：将文中画线句子③翻译成英语。2.________________________________________________________________________ 任务三：将文中画线句子④翻译成汉语。3.________________________________________________________________________ 任务四：回答下列问题。4.What day is it today?________________________________________________________________________5.How did Tom feel at last?________________________________________________________________________