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搜题
【判断题】
二层交换机可以解决广播风暴问题( )
A.
正确
B.
错误
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【单选题】This is ______ orange. That is ______ pear. [     ]
A.
  an, an
B.
  an, a
C.
  a, an
D.
  a, a
【单选题】This is ______ pear. It’s not _____apple.
A.
a, a
B.
a, an
C.
an, a
D.
an, an
【简答题】机加工 表面质量分 和 。
【简答题】看图,判断正(√)误(×)。 (     ) 1. This is an apple. (     ) 2. This is a pear. (     ) 3. This is a watermelon. (     ) 4. This is a pear. (     ) 5. This is an orange.
【单选题】This is ________ pear. That’s ________ apple.
A.
a...a
B.
an...an
C.
a...an
D.
an...a
【单选题】我国成年女子上装中间标准体型号是160/84A,下装是()。
A.
160/68B
B.
160/68A
C.
155/64A
D.
155/64B
【单选题】—Whose dictionary is this? —It must ____Tom. I saw him using it yesterday. [     ]
A.
belong to
B.
belong
C.
be belonged to
D.
be belong
【单选题】This is _____ apple. It is not _____ pear. [     ]
A.
a, a
B.
an,a
C.
a, an
【简答题】Identify the words that do not belong to the same semantic field as the others in the set.
【单选题】This is _____ apple and that's_____ pear. [     ]
A.
a, an
B.
an,  a
C.
an, an
D.
a, a