【单选题】【消耗次数:1】
土壤中全氮含量一般为( )
0.1~0.5 g/kg
0.5~ 4g/kg
4~ 10g/kg
10~ 20 g/kg
参考答案:
复制
纠错
相关题目
【单选题】 一般我们可以从有机质的测定结果来估计土壤全氮的近似含量,土壤全氮量( g/kg)=土壤有机质gkgx( )或( )
①  0.02 ; 0.03
②  0.03; 0.04
③  0.04 ; 0.05
④  0.05 ; 0.06
【判断题】 内存容量指内存的存储容量,一般以GB为单位,主流为2G、4G、8G。( )
①  正确
②  错误
【单选题】 酒制药物时,每100kg药物用黄酒的量一般为
①  5~10kg
②  10~20kg
③  20~30kg
④  30~40kg
⑤  40~50kg
【单选题】 矿化度为4g/l的属于什么水()。
①  淡水
②  微咸水
③  咸水
④  盐水
【多选题】 以下属于本讲提到的5G相较4G的不同特点的选项是()。
①  5G的带宽非常宽
②  5G能够提供高上100倍的链接密度
③  5G具有低延时特点
④  4G的网络延时一般要15毫秒以上
⑤  5G的网络延时一般是5毫秒
【单选题】 测定100g生物样品中氮含量是2g,该样品中Pr含量为
①  6.25%
②  12.50%
③  1%
④  2%
【判断题】 孕妇在孕期体重平均增加10kg。
①  正确
②  错误
【单选题】 姜炙法中每100kg药物用生姜的量为
①  3kg
②  5kg
③  10kg
④  15kg
⑤  20kg
【单选题】 男性,72岁,间断上腹痛20余年,2月来加重伴饱胀,体重下降8kg,Hb:90g/L。最可能的诊断是()
①  慢性胆囊炎
②  慢性肝炎
③  胃癌
④  消化性溃疡
⑤  功能性消化不良
【单选题】 某女,妊娠6周。胎动不安,阴道少量下血。中医辨证属冲任不固。处方:党参30g、白术10g、黄芪15g、天山雪莲6g、沙苑子20g、续断15g、桑寄生15g、阿胶15g。药师审方中发现该方有妊娠禁忌的中药是
①  黄芪
②  沙苑子
③  白术
④  天山雪莲
⑤  续断
随机题目
【单选题】 11. I thought you _____ like something to read, so I have bought you some books.
①  may
②  might
③  could
④  must
【单选题】 3. Few of them hurt themselves in the accident last night, ____ ?
①  but
②  and
③  though
④  so
【单选题】 9.The old farmer, ____the badly injured and burnt soldier, came out of the burning farmhouse, calling continuously for help.
①  supporting
②  having supported
③  being supported by
④  being supported
【单选题】 5.____the front door____, he had to enter the room through the back door.
①  Seen, painted
②  Seeing, painted
③  Being seen, being painted
④  Seeing, being painted
【单选题】 16. As I will be away for at least a year, I’d appreciate____ from you now and then so that I can know how everyone is getting along.
①  having heard
②  to hear
③  hearing
④  beingheard
【单选题】 7.He looked around and caught a man____his hand into the pocket of a passenger.
①  put
②  to be put
③  to put
④  putting
【单选题】 14.The thief fell to the ground,his left foot ____and blood ____down from his mouth.
①  breaking; running
②  broken; running
③  breaking; run
④  broken; run
【单选题】 18.- Did you get a dictionary?- No, I _____, but there were not any _____.
①  tried; to be left
②  had tried to; leaving
③  tried to; left
④  had tried; have left
【单选题】 4.____the diamond, he had to look for a place to hide it.
①  Having stolen
②  Having been stolen
③  Stolen
④  Stealing
【单选题】 12.You can’t imagine what great trouble they have ____the problem____.
①  to solve; being talked about
②  solving; discussing
③  to solve; to talk about
④  solving; being discussed