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【单选题】
F1比赛花色旗帜的含义中红旗表示A.
表示前方赛道有慢车
B.
前方赛道表面滑溜
C.
比赛开始或是赛段提前终止
D.
后方有较快的车辆接近，并且准备超越
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】为了取得更好的成绩,他学习更努力了。
【单选题】I have told him several times that these young pines ______ watering twice a week.
A.
require
B.
appeal
C.
demand
D.
request
【单选题】In the Lingshu·Jingmai 《灵枢 · 经脉》 , which meridian originates from the inner canthus of the eye 目内眦 ?
A.
Stomach meridian of foot- yangming
B.
Large Intestine m e ridian of hand- yangming
C.
Gallbladder meridian of foot- shaoyang
D.
Bladder meridian of foot- taiyang
E.
Triple Energizer meridian of hand- shaoyang
【单选题】— I telephoned him twice and I couldn’t get through to him. —The line might have been out of order, _______?
A.
don’t you
B.
wasn’t it
C.
do you
D.
hadn’t it
【单选题】—I telephoned him twice and I couldn’t get through to his home. —I think the line might have been out of order, ________?
A.
don’t you
B.
wasn’t it
C.
do you
D.
hadn’t it
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