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:
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)
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
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
A.在植物體內(nèi)積累的元素不一定是植物的必需元素
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:
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)
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)
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)
27、共10分
(1)_________________(2分)
(2)_____________ _______ ______ _______ _____ (4分)
(3)_________日_________時(2分)
(4)_________________________________________________________(2分)
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