问题
单项选择题
光镜下判断细胞是否坏死，主要观察
A．细胞形态的改变
B．染色质形态的改变
C．细胞质形态的改变
D．细胞核形态的改变
答案
参考答案：D
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光镜下判断细胞是否坏死，主要观察
A．细胞形态的改变
B．染色质形态的改变
C．细胞质形态的改变
D．细胞核形态的改变
参考答案：D
| 完形填空。 | |||
| Some of my classmates are not feeling __1__ today. Tom has a __2__ , he can't eat __3__ Jack has a headache. His mother asks him __4__ and rest. __5__ he can't come to school today. Peter is stressed out, __6__ the exam is coming. Nancy has a __7__ because she ate too much yesterday. She doesn't feel like __8__ anything. Jim has a sore throat, he should drink hot tea __9__ honey. Lucy has a toothache, too. She has to see __10__ after school. | |||
| ( ) 1. A. good ( ) 2. A. headache ( ) 3. A. something ( ) 4. A. lie down ( ) 5. A. So ( ) 6. A. because ( ) 7. A. headache ( ) 8. A. eat ( ) 9. A. and ( ) 10. A. her parents | B. well B. stomachache B. anything B. lies down B. But B. until B. toothache B. eats B. with B. her friends | C. health C. toothache C. everything C. lying down C. Or C. though C. stomachache C. eating C. or C. her teacher | D. ill D. sore back D. nothing D. to lie down D. because D. when D. sore throat D. to eat D. in D. dentist |