简述园艺设施栽培中湿度的调控措施？

阅读小天地。

      There are fifty students in Bob's class. There are twenty-six girls and twenty-four boys. It's Sunday today.

They're having fun in a park. Some students are singing. Some are jumping. Some are playing badminton. Bob

is flying a kite. They are all laughing. They're very happy!

根据短文内容判断，下列句子的正(√)误(×)。

( ) 1. There are twenty-six boys in Bob's class.

( ) 2. It's Sunday today.

( ) 3. They are in a zoo.

( ) 4. Bob is singing.

( ) 5. They're not happy.

女，35岁，身高160cm，体重75kg。体查：血压150/90mmHg，两下腹壁及大腿内侧有纵行红色纹。

下列何项检查不能用以鉴别肾上腺皮质增生和腺瘤（）

A.大剂量地塞米松抑制试验

B.血浆皮质醇昼夜节律

C.垂体蝶鞍照片

D.放射性碘化胆固醇肾上腺扫描

E.美替拉酮试验

哪项不是高分子聚合物常用来制造的（）。

A.合成纤维

B.合成橡胶

C.天然树脂

D.合成树脂

花岗石饰面板的安装顺序是（）

A.由上往上，每层由两端开始

B.由下往上，每层由中间或一端开始

C.由上往下，每层由中间开始

D.由上往下，每层由一端开始

FORTRAN是第一个用于科学计算的高级语言之一。（）