题目内容
Ben is unhappy, ________ he got a C in the math test．
A．because B．before C．if D．when
A
根据短文内容，完成表格填写。
Vitamins play an important part in people’s health．Without them，your body cannot work well．
Vitamin A helps keep your skin healthy and helps your eyes get used to（习惯）the darkness Good sources（来源）of Vitamin A are deep yellow and dark．green leafy fruits and vegetables．such as carrots and potatoes．
Vitamin B helps keep your need for food and its absorption（吸收）normal．Milk Dr ducts（产品），grain products，and meat are good sources of Vitamin B Vitamin C is found in many fruits and vegetables，such as tomatoes，strawberries。And cabbages·People who don’t get enough Vitamin C over a long time get hurt easily．
Vitamin D is called“sunshine”Vitamin．Your own body makes it when you are in sunlight for any length（长度）of time．It helps your body use minerals（矿物质）to build stronger bones and teeth．Oily fish is a good source of Vitamin D．
Vitamin E helps increase（提高）the immune function（免疫功能）．．It can be found in foods such as vegetables oil，nuts and seeds．
| Problems | Advice |
| I can’t eat hard food, as my teeth are weak. | 1. enjoy the and have . |
| My hand was hurt while cleaning the window It took me about one month to get better | 2. You should |
| I can’t see anything when the lights are turned off at night | 3. You’d better . |
| I often go to hospital in spring, because I catch flu（流感）more easily than my classmates | 4. You need |
| I eat a little these days, no matters how nice the food is. | 5. Why not ? |