正确答案: B

错误

题目：观察茎的初生结构和次生结构都是从节处取横切面。( )

解析：B

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举一反三的答案和解析：

[单选题]

experiences

[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

[单选题]

on

[单选题]Progress so far very good and we are sure that the work will be finished on time.

has been

[单选题]百合的学名为Lilium brownii var．viridulum，可见百合是L．brownii的一个( )。

变种

[单选题]向日葵的胎座为基底胎座。( )

正确

[单选题]下列关于激素的叙述，错误的是

体内失水过多时抗利尿激素释放减少

解析：【解析】抗利尿激素主要作用是提高肾小管和集合管对水的通透性，促进水的吸收. 所以体内失水过多时抗利尿激素释放增加.因此,B错误.

[单选题]But for the help of my English teacher, I the first prize in the English Writing Competition.

would not have won

[单选题]裸子植物是颈卵器植物，而买麻藤纲植物无颈卵器，在裸子植物中是低等的。( )

错误

解析：解析：裸子植物是颈卵器植物，而其中的买麻藤纲植物无颈卵器，所以，其在裸子植物中属高等类群。