正确答案: B

具2心皮、1室、1胚珠的下位子房

题目：菊科的连萼瘦果是由( )发育来的。

解析：B

查看原题 点击获取本科目所有试题

举一反三的答案和解析：

[单选题]听第8段材料，回答第10至12题。第10题：How long has the man been in London?

A few years.

[单选题]在制剂中作为金属离子络合剂使用的是（ ）。

依地酸二钠

[单选题]依次填入下面一段文字横线处的语句，衔接最恰当的一组是（3分）玉树藏族自治州___ ，______，_______，________，

④⑥⑤①③②

[单选题]虚线范围内的地势特征，从图中可推测出的是

花莲溪西侧平缓、东侧陡峻

[单选题]下列不属于魏晋南北朝时期道教发展的史实是

形成了道教主要经典《太平经》

[单选题]We should consider the students’ request___the school library provide more books on popular science.

that B． when

[单选题]多室子房隔膜是( )。

心皮的一部分

[单选题]第二节完形填空 阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。It was a busy morning，about 8:30,when an elderly gentleman in his 80s came to the hospital .I heard him saying to the nurse that he was in a hurry for all appointment(约会)at 9:30 The nurse had him take a 36 in the waiting area, 37 him it would be at least 40 Minutes 38 someone would be able to see him I saw him 39 his watch and decided， since I was 40 busy—my patient didn’t 41 at the appointed hour, I would examine his wound .While taking care of his wound．I asked him if he had another doctor’s appointment The gentleman said no and told me that he 42 to go to the nursing home to eat breakfast with his 43 .He told me that she had been 44 for a while and that she had a special disease I asked if she would b e 45 if he was a bit late. He replied that she 46 knew who he was，that she had not been able t0 47 him for five years now. I was 48 , and asked him，“And you 49 go every morning，even though she doesn’t know who you are?” He smiled and said．“She doesn’t know me but I know who she is” I had to hold back 50 as he left. Now I 51 that in marriages，true love is 52 of all that is The happiest people don’t 53 have the best of everything；they just 54 the best of everything they have 55 isn’t about how to live through the storm，but how to dance in the rain.

seat