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【判断题】
含量较高的土壤,却不一定说明它已有足够的有效磷供应当季作物生长的需要,因为土壤中磷大部分成难溶性化合物存在。
A.
正确
B.
错误
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举一反三
【简答题】用下列词语的适当形式填空 get involved in opportunity broad creat interest 1. I tried to tell him about it, but he just wasn't ______.
【简答题】用下列词语的适当形式填空 get involved in opportunity broad creat interest 4. I tried to tell him about it, but he just wasn't ______.
【单选题】---- Did the door-keeper let you in ? --- No, I tried to tell him that I was your relative, he just wouldn’t listen to me.
A.
No matter
B.
Even if
C.
However
D.
Whether
【单选题】-----Did the door-keeper letyou in? -----No, ____ I tried to tell him that I was your uncle, he just wouldn’t listen to me.
A.
no matter
B.
even if
C.
however
D.
whether
【单选题】扩大功率表电压量程是利用()的方法来实现的。
A.
电压线圈的串并联
B.
电流线圈的申并联
C.
与电流线圈串联分压电阻
D.
与电压线圈串联分压电阻
【多选题】现代物流系统的支撑要素包括
A.
体制、制度
B.
法律、法规
C.
行政、命令
D.
信息技术及网络
【单选题】中毒物质不明的患者,用电动吸引法洗胃,下述哪项不妥
A.
洗胃液用生理盐水
B.
电动吸引器压力为13.3KPa(100mmHg)
C.
插管动作轻快
D.
每次灌入量以200ml为限
E.
洗胃过程患者主诉腹痛或流出血性灌洗液,应停止
【简答题】.常温下,向20 mL 0.2 mol/L H 2 A溶液中滴加0.2 mol/L   NaOH溶液。有关微粒的物质的量变化如图(其中I代表   H 2 A,Ⅱ代表HA - ,Ⅲ代表A 2- ),根据图示判断,下列说法正确的是 [     ] A.当V( NaOH)=20  mL时,溶液中离子浓度大小关系:c(Na + )>c(HA - )>c(H + )>c(A 2- )>c(OH - ) B....
【单选题】扩大功率表电压量程是利用( )的方法来实现的。
A.
电压线圈的串并联
B.
电流线圈的串并联
C.
与电流线圈串联分压电阻
D.
与电压线圈串联分压电阻
【简答题】I tried to tell him about it, but he just wasn't __________.
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