28.You'd better tell John tO bring the latest Readers Digest t}le next time he--.
A.comes B。is coming C.will come D。is about to come
27.一I’m applying for a post in the famous company.
一-----.
A.Congratulations B.Good luck C.All right D.You’re welcome
26.Miss Jones--music at Bardou School for five years when she was abroad and now she has been appointed president of our schoo1.
A.had taught B.has taught C.taught D.has been teaching
25.No matter how much money you have,it can not-- a wealthy body.
A.fit B.match C.compare D.have
24.The old man came--to the railway smtion,only the train was slowly pulling out of
the station.
A.and ran;found B.running;finding
C.running;to find D.To run;finding.
23.-You--have had a good time at the party last night,didn’t you!
--N0t really, Actually,it was a bit boring.
A.might B.can C.Must D.may
第一节单项填空(共15小题:每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填人空白处的最佳选项,并在答题卡上将该项涂黑。
21.--Have you heard that eleven people were killed on the spot in the highway tragic accident?
--yes,what-- shock it is to hear --news.
A.a;the B.a;a C./;/D.the;/
22,Is this hotel--you said We were to visit?
A.the one B.which C.where D.in which
34.(10分)下图表示稻田生态系统结构模式图,其中A、B、C、D构成群落,①、②、③、④、⑤、⑥代表生理过程。据图回答下列问题:
(1)从生态系统组成的完整性来看,该生态系统还缺少____________________。
(2)该生态系统中的食物链为___________________,参与过程⑤的生物种类主要有 _____________,其在碳循环中的作用是_______________________。
(3)该生态系统稳定性的特点是_____________________________。若农作物所固定的太阳能总量为a kJ,那么图中最高营养级所获得的能量为_______________kJ。
(4)据调查稻田土壤中存在圆褐固氮菌和硝化细菌,二者在生态系统成分中分别是_________和____________。二者在同一生态系统中是否存在竞争关系____________(存在;不存在),主要的依据是__________________________。
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