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【单选题】
The stone hit him ____.A.
at the head
B.
on the head
C.
in the head
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反馈参考答案：
举一反三
【单选题】采用普鲁卡因局部麻醉时,可以预防病人出现局麻药毒性反应的措施是
A.
一次性给足药量
B.
避免药物直接注入血管
C.
对体弱病人应增加药量
D.
麻醉药注射在血流丰富部位
E.
普鲁卡因中加入大量肾上腺素
【判断题】仪器分析是指那些采用比较复杂或特殊的仪器,通过测量表征物质的某些物理的或物理化学的性质参数及其变化规律来确定物质的化学组成、成分含量及化学结构等信息的一类方法。
A.
正确
B.
错误
【单选题】The play writer and director ____ promised to attend our tea-party.
A.
have
B.
has
C.
are
D.
is
【单选题】The play writer and director ________ promised to attend our tea party.
A.
Have
B.
has
C.
are
D.
is
【单选题】Skim the text , and choose the exact activities the writer and the writer ’ s classmates do on the sports day .
A.
100-meter race , cycling race, high jump, long jump, three-legged race, play basketball ， play field hockey
B.
100-meter race , cycling race, high jump, long jump, three-legged race, egg-and-spoon race, S ack race , potato race
C.
egg-and-spoon race, S ack race , potato race , play badminton ， play rugby
相关题目：
【单选题】The play writer and director ____ promised to attend our tea-party.
A.
have
B.
has
C.
are
D.
is
参考解析：
知识点：
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