The enclycopedia on the desk______to me.
A.is belonging
B.will belong
C.belongs
D.is belonged
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A increasing number of people_________importance to reducing greenhouse gas emission.
A.pay
B.have
C.attach
D.accept
Last autumn we went to London and we visited St. Paul' S Cathedral, which is_____church.
A.English an
B.an English old charming
C.an Engish
D.an old chaming Engish
若f（0）=2，则当x→0时，f（x）-f（0）的差是关于x的（）。
A.等价无穷小
B.同阶无穷小
C.高阶无穷小
D.低阶无穷小
如果只记得文章中的某句话但是忘记了文章的题名，可以利用（)检索。
A.科研基金检索
B.文献来源检索
C.句子检索
D.作者检索
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