Meat is an ideal food for humans, and for mold(霉) and bacteria as well. When itis fresh, it is one of the best culture mediums. It consists of 20 percentprotein(蛋白质), fats, mineral matter and organic(有机的) compounds. The best of it is water. This combination ofmoisture(湿气) and solids makes it one of the most perishable(易腐败) of foods. Thebacteria produce discoloration and bad odors. The odor fills the meatwith black spots and other discolorations.The best title is ________.

注:odor气味(smell) discoloration 变色的部分，污点


  1. A.
    Spoilage of meat
  2. B.
    Meat and molds
  3. C.
    Ideal food for human
  4. D.
    Fresh meat

________ mother got home, I was tidying my room．


  1. A.
    After
  2. B.
    When
  3. C.
    As soon as
  4. D.
    Before

Lucy looks stronger ________ Lily．


  1. A.
    than
  2. B.
    as
  3. C.
    then
  4. D.
    not as

He will write to you as soon as he ________ to Shanghai．


  1. A.
    gets
  2. B.
    is getting
  3. C.
    will get
  4. D.
    shall get

Father ________ music when he ________ young．


  1. A.
    liked; was
  2. B.
    liked; is
  3. C.
    likes; was
  4. D.
    likes; is

Do you know how much hot water ________?


  1. A.
    Mum is needed
  2. B.
    does Mum need
  3. C.
    Mum needs
  4. D.
    did Mum need

He said he would help me with my maths if he ________ free．


  1. A.
    was
  2. B.
    will be
  3. C.
    would be
  4. D.
    is

I was ________ tired ________ I couldn’t walk on．


  1. A.
    so; that
  2. B.
    too; to
  3. C.
    very; that
  4. D.
    very; to

Mary speaks good English, because she has an ________ that her mother is English．


  1. A.
    rugby
  2. B.
    advantage
  3. C.
    retirement
  4. D.
    background

He’s fifteen years younger than me．________ if he is?


  1. A.
    Even
  2. B.
    As
  3. C.
    Only
  4. D.
    So what
 0  1263  1271  1277  1281  1287  1289  1293  1299  1301  1307  1313  1317  1319  1323  1329  1331  1337  1341  1343  1347  1349  1353  1355  1357  1358  1359  1361  1362  1363  1365  1367  1371  1373  1377  1379  1383  1389  1391  1397  1401  1403  1407  1413  1419  1421  1427  1431  1433  1439  1443  1449  1457  151629 

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网