皮皮学，免费搜题
登录
搜题
【单选题】
How could Dennis distinguish between a book and a pillow of the same size and at an equal distance in front of him? A book would produce ______.A.
a higher-pitched sound
B.
a louder sound
C.
a sharper sound
D.
a fuzzier sound
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: How did you do on the maths exam, John? M: I barely made it. It was just a passing score but better than I had expected. Q: What do we learn from the conversation? (14)
A.
John didn't pass, although he had tried his best.
B.
John did better than he thought he was able to.
C.
John got an excellent score, which was unexpected.
D.
John was disappointed at his math score.
【单选题】关于重型胎盘早剥的临床表现,下列哪项错误()
A.
破膜时流出血性羊水
B.
触诊子宫硬如板状
C.
胎位扪不清，胎心听不清
D.
阴道流血与贫程度成正比
E.
胎盘剥离面积多在1/2以上
【单选题】关于重型胎盘早剥的临床表现,下列哪项错误:
A.
面色苍白，脉搏细速，血压下降
B.
持续性腹痛，子宫呈板状硬、压痛
C.
胎心消失，胎位不清
D.
阴道流血与贫血程度成正比
E.
可伴有血性羊水
【单选题】Which of the following is inappropriate in citing the statistics?
A.
About half of the middle school students own a smart phone.
B.
Joan's family has 5 children, 11 cats, 3 turtles, 15 gerbils, and 2 canaries.
C.
Our research indicates that only 33% of people like purple cars.
D.
The class did well on its first exam, with a mean score of 89.5% and a standard deviation of 7.8%.
【单选题】听力原文：W: How was the , Bill? Did you enjoy it? M: No, it was not interesting at all. W: That's too bad. Football s are usually exciting. M: Not last night. Some of the players didn't know what ...
A.
Some players played poorly.
B.
The scores were too close.
C.
It lasted too long.
【简答题】关于重型胎盘早剥的临床表现,下列哪项错误?
【单选题】关于重型胎盘早剥的临床表现,下列哪项错误?
A.
破膜时流出血性羊水
B.
触诊子宫硬如板状
C.
胎位扪不清,胎心听不清
D.
阴道流血与贫血程度成正比
E.
腹痛剧烈
【单选题】听力原文：W: How did you do on the maths exam, John? M: I barely made it. It was just a passing score but better than I had expected. Q: What do we learn from the conversation? (16)
A.
John was disappointed at his math score.
B.
John did better than he thought he was able to.
C.
John didn't pass, although he had tried his best.
D.
John got an excellent score, which was unexpected.
相关题目：