【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】 统计学上一般把( )的事件称为小概率事件
①  P>0.05
②  P≤0.05
③  P≤0.95
④  P>0.95
【单选题】 均数与标准差适用于:
①  正态分布资料
②  正偏分布
③  负偏分布
④  二项分布
【单选题】 关于假设检验,说法正确的是
①  单侧检验优于双侧检验
②  若P>α,则接受H0犯错误的可能性很小
③  采用配对t检验还是两样本t检验是由试验设计方案所决定的
④  检验水准α只能取0.05
【单选题】 在2×2列联表独立性检验中,无效假设(H0)的正确表达应为
①  μ1≠μ2
②  μ1=μ2
③  两个事件无关联
④  两个事件有关联
【单选题】 四格表的自由度________。
①  1
②  2
③  3
④  4
【单选题】 下列是Poisson分布独有的特征是______。
①  离散型分布
②  参数是总体均数
③  方差等于均数
④  当样本足够大时近似正态
【判断题】 设Xl,X2分别服从以μ1,μ2为均数的Poisson分布,且Xl与X2独立,则X1十X2服从以μ1+μ2为均数的Poisson分布。
①  正确
②  错误
【判断题】 配对卡方检验的校正条件是b+c<40.
①  正确
②  错误
【判断题】 回归系数的假设检验可以用r代替。
①  正确
②  错误
【判断题】 r的取值范围是负无穷到正无穷。
①  正确
②  错误