中期妊娠孕妇腹部不见增大，胎动消失，妇科检查宫颈口未开，可能为
A．不完全流产B．稽留流产C．难免流产D．先兆流产E．完全流产
参考答案：E
一段导体两端的电压是6V时，通过导体的电流是200mA，则该导体的阻值为______Ω；若使该导体两端电压变为3V，则该导体的电阻为______Ω．
根据句意及首字母提示，完成下列单词
1. I can l ______ a lot about Chinese history.
2. His f ______ food is chicken.
3. Her brother w ______ to be an artist.
4. Do you want to go to a m ______?
5. My brother likes action movies. He thinks it's e ______.
