不能用于鉴别NaOH溶液和盐酸溶液的是( ) A.紫色石蕊溶液 B.无色酚酞溶液

题型:选择题

问题:

不能用于鉴别NaOH溶液和盐酸溶液的是(  )

A.紫色石蕊溶液

B.无色酚酞溶液

C.NaCl溶液

D.pH试纸

考点:物质的鉴别
题型:选择题
     Toby went to China for a holiday with his father this summer. Their first destination(目的地) was Beijing. They arrived in Beijing on 8th, August.According to the travel plan, can you guess what they did in Beijing?
                               
A Four days Tour to Beijing for $ 280 each
Day 1 (L)Arrive in Beijing. Take a bus to the hotel. Have a city tour to the Summer Palace.
Day 2 (B,L)Full day trip to the Tian’anmen Square, the Palace Museum, and the Temple of Heaven
(天坛). See Beijing Opera(京剧) in the evening.
Day 3 (B,L,D)Full day trip to the Great Wall, Ming Tombs and Beihai Park. Enjoy a famous Beijing Roast Duck Banquet(宴会) for dinner.
Day 4 (B,L)Visit Hutong and the Silk Market. Take the afternoon flight to the next destination.(B:
Breakfast   L: Lunch   D: Dinner) 
  
                                                                         
1.They paid _______ for the Beijing tour.
A. $190
B. $ 280
C. $ 470
D. $ 560
2.On which day did they see Beijing Opera in the evening?
A. The first day.
B. The second day.
C. The third day.
D. The fourth day.
3.How many places of interest did they go to on their third day?
A. One.
B. Two.
C. Three.
D. Four.
4.On the fourth day, they visited _______.
A. Hutong
B. Silk Market
C. Beihai Park
D. A and B
5.When did they leave Beijing?
A. 10th, August.
B. 11th, August.
C. 12th, August.
D. 13th, August.
题型:选择题

水工建筑物地下开挖工程,根据围岩地质特征,将围岩分为五类。其中Ⅲ类围岩是( )。

A.稳定性较差的围岩

B.基本稳定围岩

C.稳定性差的围岩

D.极不稳定的围岩

题型:选择题

—Can you go to the movie with us on Sunday?

—Of course.           is it?

—5:00 in the afternoon.[ ]

A. Where

B. What time

C. How soon    

D. When

题型:选择题

氯化钾静滴浓度不得超过()。

A.0.1%

B.0.3%

C.0.6%

D.0.9%

E.1.2%

题型:选择题

流行性乙型脑炎确诊的主要根据是

A.高热及多部位的神经系统损害表现

B.脑脊液呈浆液性脑膜炎性改变

C.血白细胞数增加及高热、昏迷

D.流行病学资料

E.血清补体结合试验阳性

更多题库