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【单选题】
下列是3线-8线译码器的是( )。A.
74LS138
B.
74LS148
C.
74LS161
D.
74LS183
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【简答题】U1 Additional Language Quiz There are ten sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sente...
【简答题】U3 Additional Language Quiz There are ten sentences in this section. Beneath each sentence there are four choices or phrases marked A, B, C and D. Choose one word or phrase that best completes the sen...
【单选题】The little chick ______ the earthworm, deciding whether to swallow it or let it go ? [ ]
A.
stared at
B.
glimpsed at
C.
looked into
D.
glared at
【单选题】The little chick ________ the earthworm, deciding whether to swallow it or let it go. [ ]
A.
glimpsed at
B.
looked into
C.
stared at
D.
glared at
【简答题】U4 Additional Language Quiz There are ten sentences in this section. Beneath each sentence there are four choices or phrases marked A, B, C and D. Choose one word or phrase that best completes the sen...
【简答题】The children looked wonderfully (health) ______ with their bright eyes and glowing cheeks.
【单选题】“Mum !” she cried suddenly , tears down her cheeks .
A.
rolling
B.
rolled
C.
to roll
D.
being rolled
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