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【单选题】
用哪种抗原的单克隆抗体鉴定人类Th细胞?A.
CD2
B.
CD3
C.
CD4
D.
CD8
E.
CD45
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举一反三
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
the check
B.
the menu
【简答题】Listen to six people . What drinks do they ask for?
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
cake
B.
coffee
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
water
B.
bread
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
coffee
B.
the meat
【单选题】Only after the students have mastered the rules of pronunciation _____.
A.
can they memorize words more easily
B.
when can they memorize words more easily
C.
then they can memorize words more easily
D.
when they can memorize words more easily
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
soup
B.
pasta
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
a meal
B.
a plate
【简答题】It would be easier to memorize your PINs if you _________. [A] produce them in a casual manner [B] use numbers instead of letters [C] relate them to the real world [D] change them frequently
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