评价蛋白质营养价值的高低,主要是根据
A.蛋白质的含量
B.蛋白质的利用程度
C.蛋白质的消化吸收
D.氨基酸的组成
E.蛋白质的含量、氨基酸的组成与机体消化吸收利用的程度
第1题
When Beth is writing a letter , she looks deep in _____ .
A.thinking
B.thought
C.mind
D.recall
第2题
I found a letter lying on the floor when I came into the classroom.()
第3题
I was ______ the point of telephoning him when his letter arrived.
A.to
B.on
C.at
D.in
第4题
"I (am looking) forward (to) (receive) your letter!" she said (happily).
A.am looking
B.to
C.receive
D.happily
第5题
I was ______ the point of telephoning him when his letter arrived.
A.to
B.on
C.at
D.in
第6题
She asked_____.
A.what I was doing when she rang me up
B.What was I doing when she rang me up
C.When she rang me up what was I doing
D.When did she ring me up what I was doing
第7题
i got a letter from my sister,() me that she would visit us next month.
A.tells
B.told
C.telling
D.to tell
第8题
听力原文:What did I feel when she answered "No" three times?
What did I feel when she answered "No" three times?
I felt very__________.
第9题
I had just posted the letter when I remembered that I hadn't ______ the cheque.
A.imposed
B.contained
C.enclosed
D.involved
第10题
When I saw her facial ______ I knew she was angry.
A.appearance
B.expression
C.looking
D.feeling
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