图是某人看远处物体时,眼睛成像的光路示意图,则此人的眼睛是( ) A.近视眼,

题型:选择题

问题:

图是某人看远处物体时,眼睛成像的光路示意图,则此人的眼睛是(   )

A.近视眼,应配戴用凸透镜制成的眼镜

B.近视眼,应配戴用凹透镜制成的眼镜

C.远视眼,应配戴用凸透镜制成的眼镜

D.远视眼,应配戴用凹透镜制成的眼镜

考点:透镜及其分类
题型:选择题

若a与2互为倒数,则下列判断正确的是(  ).

A.a+2=0

B.a-2=0

C.2a=0

D.2a=1

题型:选择题

阅读理解。

     Do you want to save (节省) money when you take our train to travel? Here are some ways.

Day Returns

     This kind of ticket can save you 45% on the fare. You have to travel before 8:00 a.m. and after 6:00

 p.m. from Monday to Friday, but you can travel at any time on Saturday or Sunday.

Big City Savers

    You can save much money with these tickets. You have to buy them by 4:00 p.m. the day before you

 travel.

Monthly Returns

     You can use these tickets for most journeys over 65 miles (英里). Go any day and return within

 (在…之内) a month. Monthly Returns can save you 25% on the fare.

Family Returns

     You can get a card of Family Returns for $20. After you buy it, you need to pay only $3 for each of the

  other family members. You can travel as often as you like within two months.

1. How many kinds of tickets are mentioned (提及) in the passage?

    A. Two.          

    B. Three.        

    C. Four.        

    D. Five.

2. Mr Wu has a card of Family Returns. He and his family members are going to travel. 

    How much will he pay for the tickets for his three family members?

    A. $29.          

    B. $12.            

    C. $9.          

    D. $15

3. The passage is maybe taken from (取材于) _________

    A. a dictionary    

    B. a notebook      

    C. a newspaper    

    D. a storybook

题型:选择题

最适合收集尿胆红素标本的器皿是()

A.无色玻璃瓶

B.无色塑料瓶

C.白色玻璃瓶

D.白色塑料瓶

E.棕色玻璃瓶

题型:选择题

建筑物内可出租面积与总建筑面积之比称为( )。

A.有效面积系数
B.建筑密度
C.空置率
D.建筑容积率

题型:选择题

使用Apple Pay支付时,超免密额度需要在POS机上输入密码。

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