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【单选题】
以下说法正确的是()。A.
线性结构的基本特征是:每个结点有且仅有一个直接前驱和一个直接后继
B.
线性表的各种基本运算在顺序存储结构上的实现均比在链式存储结构上的实现效率要低
C.
在线性表的顺序存储结构中,插入和删除元素时,移动元素的个数与该元素位置有关
D.
顺序存储的线性表的插入和删除操作不需要付出很大的代价,因此平均操作只有近一半的元素需要移动
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【单选题】Since I won the big prize, my telephone hasn’t stopped ringing. People ______ to ask how I am going to spend the money.
A.
phone
B.
will phone
C.
were phoning
D.
are phoning
【单选题】I don't want to borrow Kent's big bicycle because I am too small to ride______.
A.
that bicycle of him
B.
that bicycle of his
C.
mat his bicycle
D.
his that bicycle
【单选题】Since I won the big prize, my telephone hasn't stopped ringing. People _____ to ask how I am going to spend the money. [ ]
A.
phone
B.
are phoning
C.
were phoning
D.
will phone
【多选题】根据当前的科技水平和视听资料的应用,按照其表现的不同形式可以把视听资料划分为以下几种:( )
A.
录音资料
B.
录像资料
C.
文献资料
D.
其他应用专门技术设备检测得到的信息资料
【简答题】阅读理解。 Hi, I am Andy. I am in Class 3, Grade 7. Welcome to our classroom. Isn't it big and clean? We all have lockers in the classroom. The red lockers are girls'. And boys' lockers are yellow. Do you ...
【单选题】—I am trying my best to learn English, but it doesn't work well! —Don't worry! Regard it _____ a big challenge! [ ]
A.
to
B.
with
C.
for
D.
as
【简答题】选词填空。 don't didn't went go going take took by ate I am John. I like _____________ on big trips. I usually _____________ a trip on my summer holiday. I often go to Beijing with ...
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