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问题 单项选择题 A1型题

正常足月分娩时，胎头俯屈后通过产道的胎头径线为（）

A.双颞径

B.枕额径

C.枕颏径

D.双顶径

E.枕下前囟径

答案

参考答案：E

解析：当胎头以枕额径进入骨盆腔后，继续下降至骨盆底时，原来处于半俯屈的胎头枕部遇肛提肌阻力，借杠杆作用进一步俯屈，使下颏接近胸部，变胎头衔接时的枕额周径为枕下前囟周径，以最小径线适应产道，有利于胎头继续下降。故选E。考点：枕先露的分娩机制

解答题

初一（4）班在一次联欢活动中，把全班分成5个队参加活动，游戏结束后，5个队的得分如下：

A队：-50分；B队：150分；C队：-300分；D队：0分；E队：100分．

（1）将5个队按由低分到高分的顺序排序；

（2）把每个队的得分标在数轴上，并将代表该队的字母标上；

（3）从数轴上看A队与B队相差多少分？C队与E队呢？
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阅读理解
阅读理解。
     How do you get your pocket money, and how do you spend it? Let's see how different the answers
from a Chinese boy and an Australian boy are: Li Meng, in Junior 2 at a middle school in Beijing and James
Wardley, a secondary school boy in Melbourne, Australia
                            Where do I get my money?
Li Meng James Wardley
Pocket money from parents:
20 yuan per week
Selling used newspapers from home:
20 yuan per month		Working at a local
supermarket as a cashier.
A$95 (570 yuan) per week
                              How do I spend it?
Food and drink:
15 yuan for breakfast 6 yuan
for cola or other drinks
21 yuan per week		Food and drink:
lunch during the week
and pizzas at the weekend
About  $20 per week
For fun:
3 yuan for newspapers
or cartoon books, 4 yuan for taking photos
with classmates
7 yuan per week		For fun:
going out with friends
or going to the movies
$15 (90 yuan) per week
Telephone:
50 yuan for a phone
card that can last
about one year
About l yuan per week		Telephone:
mobile phone bill
About $10 (60 yuan) per
week
Total: 29 yuan
per week		Total: $45
(270 yuan) per week
1. James Wardley usually ______ for fun.
A. buys cartoon books
B. takes pictures
C. goes to the cinemas
D. reads newspapers
2. From the reading, we know that the Australian boy can get his money ______.
A. by working himself
B. from his parents
C. by selling newspapers
D. from his friends
3. James Wardley can save about ______ per week.
A. $45
B. $50
C. $20
D. $15
4. How much money can Li Meng get per month?
A. ￥20
B. ￥40
C. ￥80
D. ￥l00
5. Li Meng usually spends ______ yuan on phone bill.
A. 15
B. 21
C. 50
D. 29
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