【简答题】水稻优良不育系应具备哪些特性? 2、水稻不育系选育的途径哪些?豫农粳12是河南农大新选育的高产粳稻新品种,试述利用粳型不育系“甬粳26A”,选育豫农粳12不育系的步骤要点。 3、两系法杂交稻相比三系法杂交稻有哪些优势和不足?
【单选题】ZigBee有( )个信道可以进行通信,这些信道的频率落在某些频率区段,我们把这些区段叫做频段。
【单选题】Which of the following exercise can most represent Chinese National Fitness Craze?
【多选题】患者男性,48岁。上腹饱胀不适、纳差乏力1月余,体重明显减轻,近1周来牙龈时有出血。2年前发现乙肝大三阳,肝功能异常,白球比(A/G)下降。体检:腹水征阳性,肝肋下7cm,质硬,表面结节状,边缘不规则,脾肋下3cm,双下肢凹陷性水肿。实验室检查:血常规:WBC12.8×10 9 /L,RBC3.08×10 12 /L,PLT35×10 9 /L。肝肾功能:TP56.9g/L,ALB24.0g/L,...
【单选题】The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise. Millions of individuals became engaged in a variety of aerobic activities, and literally thousands o...
B.
places for physical exercise
D.
athletic training programs
【简答题】Questions 1 to 5 are based on the following passage. The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise ( 有氧操 ). Millions of individuals became engaged ...
【单选题】The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise(有氧操). Millions of individuals became engaged in a variety of aerobic activities, and literally thousa...
B.
places for physical exercise
D.
athletic training programs.
【多选题】“全民健身日”的设定一方面是为了纪念北京奥运会的成功举办,另一方面是为了满足人民群众日益增长的健身需求,传达健康体育精神,提倡健康生活理念。 For one thing, the National Fitness Day aims to commemorate the success of the Beijing Olympic Games. For another, it is to satis...
A.
“纪念”译为“to commemorate”, 既可以纪念事件,又可以纪念人。
C.
译文用“for one thing…, for another…”结构来对应汉语的“一方面…另一方面…”。
D.
“日益增长的”译成一个词“growing”。