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【判断题】
竞争系统：是指主要功能相同的工程系统。()A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The apple trees have lots of big apples ________ them. And some birds are singing ________ the trees.
A.
in; on
B.
at; in
C.
on; in
D.
with; through
【简答题】v. adj. 绝对的 , 无条件的 ; 完全的
【单选题】There _____lots of fish in this river, and birds catch ______for food. [ ]
A.
are, them
B.
are , it
C.
is, it
D.
is , them
【简答题】Lots of birds were flying among the trees
branches. What a(n) ___________ view!A. explosive B. amused C. amazing D. terrified
【单选题】Lots of birds were flying among the treesbranches. What a(n) ___________ view!
A.
explosive
B.
amused
C.
amazing
D.
terrified
【简答题】请写出果冻制作所需要的材料和制作步骤?
【简答题】无条件的 adj. ____________
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