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【单选题】
The current speed isA.
750 kilometers per hour
B.
7，050 kilometers per hour
C.
7，500 kilometers per hour
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举一反三
【简答题】The connectives they have used are ______,______,and ________.
【单选题】Which of the following is NOT the main type of connectives discussed in this video? _____
A.
Transitions.
B.
internal previews.
C.
internal summaries.
D.
Adjectives.
【多选题】The very frequently used connectives include which of the followings:
A.
transitions
B.
internal previews
C.
internal summaries
D.
signposts
【简答题】——是胚珠着生的部位
【简答题】胚珠着生的部位称为( ) . 受精后子房发育成( ) , 子房壁发育成( ) , 胚珠发育成( ).
【多选题】There are different types of speech connectives, including __________.A. transitions B. signposts C. internal previews D. internal summaries
A.
There are four types of speech connectives: transitions, signposts, internal previews and internal summaries.
B.
There are four types of speech connectives: transitions, signposts, internal previews and internal summaries.
C.
There are four types of speech connectives: transitions, signposts, internal previews and internal summaries.
D.
There are four types of speech connectives: transitions, signposts, internal previews and internal summaries.
【单选题】患者，男性，60岁，吸烟25余年，每天2包左右，有慢性咳嗽、咳痰病史15余年，近10年来出现逐渐加重的呼吸困难，往往于受寒感冒后症状加重，并出现发热、剧咳、咳黄黏痰、气促、喘息，肺部可闻及干、湿啰音，对该患者进行健康教育时，错误的是
A.
劝其戒烟
B.
冬春季注意保暖，避免受寒
C.
教其做缩唇胸式呼吸
D.
积极预防各种呼吸道疾病
E.
注意环境卫生，加强自我保护，消除有害物质对呼吸道的刺激
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