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【简答题】
Let’s go camping What do we do when we go camping? First, we work out a plan. We take food, clothing, a knife, and things for cooking and eating. We take things to keep us away from insects(虫子) and the sun. Then we put everything into the car and we drive to the woods(树林、林地). We look for a place for campers(露营者) and we look for a good place for our tent(帐篷). The place should have a lot of moving air. This will keep some insects away. High land with water on both sides of it is good. Then we put up our tent. We put everything into the tent, and we are ready for fun. We can swim in the lake, walk in the woods, climb a mountain, row a boat, or go fishing. In the evening we come back to the tent, we build a big fire because it can keep the insects away. We sit around the fire and talk. We may tell interesting stories or we may sing songs. At night we lie down on the grass. We can look up at the stars. It is a busy day, so we try to go to sleep early. Everything is dark. Everything is quiet. We hope we won’t hear music from the radio in the next tent. We hope it won’t rain. 小题1:Before going camping we should first         . A.draw up a plan B.take some food C.take things to keep us warm D.take something for cooking and eating 小题2:We go to camp         . A.by bus B.by car C.by bike D.on foot 小题3:Campers can take part in _______ activities. A.one or two B.only a few C.many D.two or three 小题4:In the evening we build a fire because         . A.it is cold at night B.it can keep us warm C.it can keep the insects away D.it is dark and quiet 小题5:The campers like to _______ at night. A.hear music from the radio B.go to sleep early C.have rain D.be busy
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【简答题】命名并列表指出下列配合物的形成体、配体、配位原子和配位数 [CrC l 2 (H 2 O) 4 ]Cl [Ni(en ) 3 ](NO 3 ) 2 K 2 [Co(NCS) 4 ] N a 3 [AlF 6 ] [Fe( edta ) ] - [Co(C 2 O 4 ) 3 ] 3- [ FeBrCl (en ) 2 ]Cl
【多选题】采摘后的水果在成熟过程中:
A.
叶绿素含量在降低
B.
类胡萝卜素、花青素等升高
C.
叶绿素含量在升高
D.
类胡萝卜素、花青素等降低
【多选题】采摘后的水果在成熟过程中( )
A.
淀粉含量减少
B.
淀粉含量在增多
C.
可溶性糖含量增多
D.
可溶性糖含量减少
【单选题】林 ( lín ) 娜 ( nà ) 要 ( yào ) 去 ( qù ) 哪 ( nǎ ) 儿 ( er ) ?
A.
学 ( xué ) 校 ( xiào ) 大 ( dà ) 门 ( mén
B.
中 ( zhōng ) 国 ( guó ) 银 ( yín ) 行 ( háng
C.
图 ( tú ) 书 ( shū ) 馆 ( guǎn
D.
教 ( jiào ) 学 ( xué ) 楼 ( lóu
【多选题】采摘后的水果在成熟过程中( )。
A.
淀粉含量减少
B.
淀粉含量 增多
C.
可溶性糖含量增多
D.
可溶性糖含量减少
【单选题】配合物 K[Fe(en)(C 2 O 4 ) 2 ] 的中心原子的电荷数和配位数分别为( )
A.
+3 和 3
B.
+2 和 3
C.
+2 和 4
D.
+3 和 6
【多选题】采摘后的水果在成熟过程中( )
A.
淀粉含量减少
B.
淀粉含量增多
C.
可溶性糖含量增多
D.
可溶性含量减少
【单选题】下列配合物命名正确的是( )。
A.
K 4 [Fe(CN) 6 ] 铁氰化钾
B.
[Co(en)(H 2 O) 2 (SCN) 2 ]Cl 氯化二水 · 一(乙二胺) · 二硫氰根合钴 (III)
C.
[Co(ONO)(NH 3 ) 5 ]SO 4 硫酸一硝基 · 五氨合钴 (III)
D.
[Co(NH 3 ) 5 H 2 O]Cl 3 三氯化五氨 · 一水合钴 (III)
【单选题】配合物 K[Fe (C 2 O 4 ) 2 (en)] 的中心原子的电荷数和配位数分别为( )。
A.
+3和3
B.
+3和4
C.
+2和3
D.
+3和6
【多选题】采摘后的水果在成熟过程中:
A.
淀粉含量在减少
B.
淀粉含量在增多
C.
可溶性糖含量增多
D.
可溶性糖含量减少
E.
都不变
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