问题
选择题
守门员盯住向自己飞来的足球,并将其抱住,这一过程中,晶状体曲度的变化是( )
A.由大变小
B.由长变短
C.由小变大
D.由短变长
答案
答案:C
守门员盯住向自己飞来的足球,并将其抱住,这一过程中,晶状体曲度的变化是( )
A.由大变小
B.由长变短
C.由小变大
D.由短变长
答案:C
阅读表格,并根据表格内容回答下列问题。 1. How much did two hundred pieces of letter paper cost last week? ______________________________________________________ 2. How much will you pay for the three exercise books next week? ______________________________________________________ 3. If a story-book costs 15.00 dollars, how much does it cost today? ______________________________________________________ 4. If you buy a T-shirt this week, how much more money can you save than last week? ______________________________________________________ 5. How much were two jackets last Monday? ______________________________________________________ |