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2.微藻A與微藻B都要利用某一種營養(yǎng)鹽(HPO42-),單獨培養(yǎng)時其生長速率與該營養(yǎng)鹽濃度關(guān)系如圖1所示。若A、B等量混養(yǎng)在該營養(yǎng)離子濃度為a的環(huán)境中,隨時間的推移,預(yù)期兩種微藻的數(shù)量變化曲線最可能的是:學(xué)科網(wǎng)(Zxxk.Com)

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D.若玉米缺乏N、P、K,則相應(yīng)的癥狀首先會在基部葉片表現(xiàn)學(xué)科網(wǎng)(Zxxk.Com)

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C.若植物體出現(xiàn)缺Mg癥狀,不一定是土壤溶液中Mg2+含量低造成學(xué)科網(wǎng)(Zxxk.Com)

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B.根尖分生區(qū)細(xì)胞一定不能與外界溶液發(fā)生滲透作用學(xué)科網(wǎng)(Zxxk.Com)

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A.在植物體內(nèi)積累的元素不一定是植物的必需元素學(xué)科網(wǎng)(Zxxk.Com)

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1.下列與植物礦質(zhì)營養(yǎng)及水分代謝的相關(guān)敘述中,不正確的是:學(xué)科網(wǎng)(Zxxk.Com)

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30、選做題:請在A、B、C三題中選定兩題作答。如多做,則按所答的前兩題評分。

A【海洋地理】(共10分)

(1)__________________(1分)

(2)______________                                 _________(1分)

(3)__________________      ____________________(2分)

(4)_______________(1分)

(5)___________________        (1分)     ________________          (1分) 

(6)                                                                          

                                                                            

                                                                      (3分)

B【城市規(guī)劃】(共10分)

(1)_____________________________________________________________(2分)

(2)________________________________________________________________(2分)

(3)_____________________________________________________________________

_______________________________________________________________________(3分)

(4)________________________________________________________________________

_____________________________________________________________    ______(3分)

C【環(huán)境保護(hù)】(共10分)

(1)_____________________________________________________________________

_______________________________________________________________________(2分)

(2)__________________(2分)

(3)_______________________________________________________________________

___________________________________________________________________________

______________________________________________________________________(3分)

(4)________________________________________________________________________

_______________________________________________________________________(3分)

 

 

 

 

 

 

 

 

 

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29、共14分

(1)_______________________________________________________(1分)

(2)城市分布特點:___________________________________________________(2分)

交通線分布特點:___________________________________________________(1分)

(3)__________________(1分)_________________________________________(1分)

_______________                  ____  _______                         (2分)

                                                                      (2分)

(4)________________________________________________________________________

___________________________________________________________________________________________________________________________________________________(4分)

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28、共16分

(1)_________________    ____________________   ___________________(3分)

有利區(qū)位因素:                                                             

                                                                      (3分)

(2)__________________(2分)

(3)成因:_________________________________________________            ___

_______________________________________________________________________(2分)

危害:_______________________________________________________________________

______________________________________________________________  _______   __

___                                                                __(3分)

(4)_______________________________________________________________________

______________________________________________________________________________                                                                   _(3分)

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27、共10分

(1)_________________(2分)

(2)_____________   _______  ______    _______    _____               (4分)

(3)_________日_________時(2分)

(4)_________________________________________________________(2分)

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