皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【判断题】
杂交种品种(hybrid cultivar )是指在严格选择亲本和控制授粉的条件下生产的各类杂交组合的F1植株群体。它们的基因型是高度纯合的,群体内又具有高度的同质性,表现出很高的杂种优势。
A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
A.
Memory resident package
B.
Project management package
C.
Data communication package
D.
Electronic mail package
【单选题】People believe that the China Dream is not very difficult ____ so long as the whole nation works hard for it.
A.
realizing
B.
to be realized
C.
realized
D.
to realize
【单选题】在直径400mm的工件上车削沟槽,若切削速度设定为100m( )r/min。
A.
69
B.
79
C.
100
D.
200
【单选题】If you are weak a subject, and asking a teacher for advice can help. [     ]
A.
at; working
B.
in; work hard
C.
at; work hard
D.
in; working hard
【单选题】package test;  class Target {  public String name = “hello”;  }  What can directly access and change the value of the variable name?()
A.
any class
B.
only the Target class
C.
any class in the test package
D.
any class that extends Target
【单选题】数控编程在直径400mm的工件上车削沟槽,若切削速度设定为100m/min,则主轴转数宜选()r/min。
A.
69
B.
79
C.
100
D.
200
【单选题】When Louise started working________.
A.
she got a little pay but worked and learned very hard
B.
she worked alone without any help
C.
she was forced to work long hours every day
D.
she was encouraged by the public
【单选题】下列何者會在使用者安裝完應用程式後顯示於應用程式列表圖示的下方? (A)Application Name (B)Package Name (C)Activity Name (D)Project Name
A.
Application Name
B.
Package Name
C.
Activity Name
D.
Project Name
【单选题】在直径400mm的工件上车削沟槽,若切削速度设定为100m / min,则主轴转
A.
选(  )r/min。
B.
69
C.
79
D.
100
E.
200
【单选题】From the school name _______ on the package, we guessed that it might belong to a student of our school.
A.
saved
B.
marked
C.
prepared
D.
called
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题