问题
单项选择题
分泌性腹泻
A．主要由糖类吸收不良引起
B．禁食48小时后腹泻仍持续存在
C．多由感染引起
D．多由肠蠕动增强引起
E．由肠黏膜吸收面积减少引起
答案
参考答案：B
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分泌性腹泻
A．主要由糖类吸收不良引起
B．禁食48小时后腹泻仍持续存在
C．多由感染引起
D．多由肠蠕动增强引起
E．由肠黏膜吸收面积减少引起
参考答案：B
| 从方框中选择合适的单词或短语，并用其正确形式完成句子。 | |
2. Please _____ your coat. It is cold outside. 3. Lucy _____ Lily, because they are twins. 4. I can't lift the stone. It is too . 5. —What are they doing? —They are _____the interesting film. 6. You can _____ after supper to keep healthy. 7. This book _____ English learners. 8. Can you tell me how to _____ the rail station? 9. Children _____ themselves at the Ice Park. 10. Let's _____ the music on the radio. |