题目内容

There ______ some milk and apples in the fridge.

A. has
B. have
C. is
D. are

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A: _ there any furniture in the room?B: No, but there _ a television.

A. Is, is
B. Are, is
C. Are, are
D. Is, are

根据句义，用适当的代词填空1. Give me the ball. It’s _.2. Look at the bird! is big.3. Listen to Daisy! is Chinese.4. The black watch is .5. The green bags are_____________6. Listen to Mr. Lemon. _ is a French teacher.7. We have got a house. It is __.8. They have got a dog. It is _.9. Mr. and Mrs. Wilson are English. speak English.10. Kate and I don’t know him. ____ don’t know him.

下列反应中，可用于巴比妥类药物鉴别的有

A. 与钡盐反应生成白色化合物
B. 与镁盐反应生成红色化合物
C. 与银盐反应生成白色沉淀
D. 与铜盐反应生成有色产物
E. 与氢氧化钠反应生成白色沉淀

下列巴比妥类药物中，可与铜盐吡啶试剂生成绿色配合物，又与铅盐生成白色沉淀的是

A. 巴比妥
B. 异戊巴比妥
C. 硫喷妥钠
D. 环己烯巴比妥
E. 苯巴比妥