【判断题】【消耗次数：1】
、根结线虫病用40%克线磷1000 倍液喷在感病植株上，即可收到良好的防治效果.
①
正确
②
错误
参考答案：
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相关题目
【多选题】
花生根线虫病的发病条件（）
①
A土温：土温11～12℃时卵开始孵化，15℃时幼虫破壳孵出。幼虫发育适温25～28℃
②
B土壤湿度：一般干旱年份病重，多雨年份病轻。幼虫侵入的最适土壤含水量是70%。线虫可因土壤湿度变化而上下移动
③
C土质通气良好质地疏松的沙壤土或沙土病重，尤其肥力低的山岗薄发病重。低洼、返碱和粘性土壤发病轻或不发病
④
D连作地发病重，轮作地病轻
【单选题】
全国肝吸虫病和土源性线虫病监测方案（试行）中要求，对肝吸虫病流动监测，需要各省每年抽取百分之多少的县区进行监测？（）
①
25-30%
②
0.3
③
0.25
④
10-15%
【单选题】
下列关于克罗恩病的描述错误的是
①
克罗恩病是一种病因未明的胃肠道慢性炎性肉芽肿性疾病
②
病变分布呈节段性或跳跃性分布
③
病变为穿透性全层炎
④
典型病理改变为干酪样肉芽肿
⑤
儿童可先出现肠外表现或全身表现，数月后才出现消化道症状
随机题目
【单选题】
21. Thinking that you know ____ in fact you don’t is a disastrous mistake.
①
what
②
that
③
when
④
however
【单选题】
I really appreciate ____ to help me, but I am sure that I can manage by myself.
①
you to offer
②
that you offer
③
your offering
④
that you are offering
【单选题】
Half of the money____ your brother. ?
①
belong to ?
②
belong ?
③
belongs to ?
④
belongs?
【单选题】
25. A pilot should be responsible ____ the safety of all the passengers on board.
①
against
②
for
③
at
④
with
【单选题】
After ten years, all these youngsters became____.
①
grown-up
②
grown-ups
③
growns-ups
④
growns-up
【单选题】
We’ll go out as soon as I’ve ____ the kitchen.
①
sent for
②
cleaned up
③
done with
④
worked out
【单选题】
“I haven’t read ____ of the last four chapters, so I know little about them.”
①
something
②
some
③
any
④
anything
【单选题】
By the end of next month he ____ everything in school.
①
will finish
②
will have finished
③
finishes
④
would finished
【单选题】
Even great musicians require ____ practice.
①
convenient
②
continual
③
continuous
④
contrary