28岁女性，G1P0孕35周合并重度子癎前期，需终止妊娠，下列哪项提示胎儿未成熟（）

阅读理解。

     John is an 11-year-old schoolboy. He goes to school at 7:30 every moming. It usually takes him thirty

minutes to walk to school. On his way to school, there are four shop8.

     Here is the information about these shops.

1. How many shops are open every day?

A. Four.

B. Three.

C. Two.

D. One.

2. In which shop, can John get his breakfast?

A. Green Leaf Bakery

B. Wendy's Hamburger Club

C. Papa John's

D. Good Taste Fast Food

3. John will go to Wendy's Hamburger Club with his parents. How much will they spend?

A. $ 36

B. $ 44

C. $ 52

D. $ 60

根据1969年修订的1954年《国际防止海上油污公约》的规定，禁排区是( )。

A．距海岸50海里以内海域

B．距海岸100海里以内海域

C．距海岸150海里以内海域

D．所有海域

请你认真观察下面所示的实验装置，并尝试分析回答下列问题：

（1）甲、乙、丙三组实验装置中能构成对照实验的有　　　　　　　　　　；

（2）若将甲装置中的清水换成碳酸氢钠溶液，则单位时间内冒出的气泡数目将会　　　 ；

（3）丁组实验装置可用来验证_____________________________________；

（4）若戊装置用来验证植物的蒸腾作用，请你指出此装置需要进一步改进的地方：

_                                                                            。

糖尿病病人大手术前，必须将血糖控制到正常，尿糖阴性水平才能手术。()

数据流图的类型有______和事务型。