法的强制作用有时通过制裁违法犯罪行为直接显现出来；有时则作为一种威慑力量，起着预防违法犯罪行为，增进社会成员的社会安全感的作用。
参考答案：对
书面表达。
根据问题提示写一篇英语短文。
1. Hong long have you been studying English?
2. When did you start studying English?
3. Why do you want to improve your English?
4. What do you like best about studying English?
5. What kind of job do you want when you grow up?
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硫喷妥钠的临床应用有：
A．诱导麻醉
B．小手术麻醉
C．控制惊厥
D．控制手术及创伤疼痛
E．镇静催眠
