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【判断题】
分离PBMC时,离心前应注意将血与Ficoll淋巴细胞分离液充分混匀,否则,将影响分离效果A.
正确
B.
错误
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举一反三
【单选题】Mary：Hello． Tom：Hello．May I speak to Mary，please?Mary：Speaking． Tom：Hi，Mary．__________．
A.
I'm Tom Johnson
B.
This is Tom Johnson
C.
I'm Tom Johnson here
D.
It’S Tom Johnson
【多选题】(多项选择题)刘禹锡《望洞庭总面积因为沿岸填海造地而一直在扩大,目前已达32.8平方公里,包括()。
A.
路环岛
B.
九龙
C.
新界内陆地区
D.
氹仔岛
E.
半岛
【单选题】—Who's Mrs Green ? —She's______ mother. [ ]
A.
Tom and Mary
B.
Tom's and Mary's
C.
Tom and Mary's
【简答题】北汽EV200新能源汽车的电源主要有______ 和 ________两个。
【简答题】Read and judge. 读下面的小对话，判断下列句子是(√)否(×)正确。 Tom: Morning! Mary! Mary: Morning! Tom! Tom: I like your new pants. Mary: Thanks. But they are not pants. Tom: What are they? Mary: They are new jeans. What a...
【简答题】情景交际。 Mary: Look at this picture,Tom. Tom: Is it a picture of your family? Mary: Yes, it is. Tom: Oh,you have a big family. Who's the old man? Mary: 1 ._____ Tom: Is this man your uncle? Mary: 2.____...
【单选题】—Where are Tom and Mary? --____ Tom _____ Mary is busy with their homework. You’d better play with.
A.
Both, and
B.
Neither, nor
C.
Either, or
D.
Not only, but also
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