【单选题】【消耗次数:1】
____ native to North America, corn has now spread all over the world.
In spite of
That it is
It was
Although
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相关题目
【单选题】 _____native to North America, corn has now spread all over the world.
①  In spite of
②  That it is
③  It was
④  Although
【单选题】 America has a lot of _______ weapons now.
①  aggressive
②  expensive
③  passive
④  expressive
【判断题】 Tourists from all over the world love to buy clothes in Hongkong
①  正确
②  错误
【单选题】 6.English is widely used ______ travelersand business people all over the world.
①  to
②  for
③  as
④  by
【单选题】 The population of the world ______ still _____ now.
①  will; grow
②  have; grown
③  is ; growing
④  is ; grown
【单选题】 Latin America has an __________ labor force and natural resources.
①  wealthy
②  abundant
③  scattered
④  deposited
【单选题】 _____the stress of examinations are over, we call all relax.
①  while
②  Even though
③  Now that
④  For
【单选题】 China has a large population than [填空] in the world.
①  all the countries
②  every country
③  any country
④  any other country
【单选题】 The poet has____ fame all his life, but has never experienced it.
①  pursued
②  followed
③  chased
④  traced
【单选题】 The thieves ____ the waste paper all over the room while they were searching for the diamond ring.
①  spread
②  scratched
③  scattered
④  burned
随机题目
【单选题】 8051单片机的定时器0的运行控制位是。
①  TF0
②  IR0
③  IT0
④  TR0
【单选题】 下列8051单片机的指令中,书写错误的是。
①  MOV
②  ORL
③  ADDC
④  CLR
【单选题】 当使用6MHz石英振荡晶体时,用8051单片机的定时计数器工作方式2进行500us的定时,则其计数器的初始值X=。
①  0FBH
②  06H
③  20H
④  3CB0H
【单选题】 MCS-51系列单片机的存储器地址空间结构形式是。
①  普林斯顿结构
②  哈佛结构
③  IBM结构
④  ARM结构
【单选题】 如果要允许8051单片机的定时/计数器0中断,则需要设置中断控制寄存器的值为。
①  82H
②  02H
③  81H
④  01H
【单选题】 8051单片机的条件转移指令均为相对寻址方式,其偏移量是一个。
①  8位无符号二进制数
②  8位有符号二进制数
③  16位无符号二进制数
④  16位有符号二进制数
【单选题】 如果要让8051单片机的串行接口中断为高级中断,则需要设置寄存器的值为10H。
①  IE
②  IP
③  TCON
④  TMOD
【单选题】 8051单片机的指令系统共有7种寻址方式,下列寻址方式中不属于8051单片机的是。
①  直接寻址方式
②  寄存器相对寻址方式
③  寄存器间接寻址方式
④  寄存器寻址方式
【单选题】 8051单片机的扩展I/O接口的地址属于空间。
①  程序存储器
②  内部数据存储器
③  SFR
④  外部数据存储器
【单选题】 下面是一段汇编语言源程序,请指出程序运行后的结果是。MOVA,#56HMOVB,#17HADDA,BDAASJMP$
①  A=56H
②  A=6DH
③  A=17H
④  A=73H