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【单选题】
Tom didn't go to sleep __________ his father came back.
A.
until
B.
while
C.
once
D.
if
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参考答案：
举一反三
【单选题】The author suggests that the study is limited in that______.
A.
its sample is not derived from the entire population
B.
the subjects cannot represent different social strata
C.
it is simply based on videoing simulative activities
D.
it has failed to clearly explain the result of the study
查看完整题目与答案
【单选题】The lower-level classes （known as subclasses or derived classes） （ ） state and behavior from the higher-level class （known as a super class or base class）.
A.
request
B.
inherit
C.
invoke
D.
accept
查看完整题目与答案
【单选题】Why should anyone want to read _______ of books by great authors when the real pleasure comes from reading the originals ?
A.
digests
B.
insights
C.
themes
D.
leaflets
查看完整题目与答案
【单选题】下列说法正确的是（　　）
A.
所有望远镜都是由两个凸透镜组成的
B.
显微镜的物镜成缩小的实像
C.
望远镜是伽利略首先发明的
D.
显微镜的目镜焦距大，物镜焦距小
查看完整题目与答案
【多选题】伽利略使用的望远镜是折射式的，但20世纪建造的大型光学望远镜都不再采用单纯的折射式，这是因为
A.
为消除折射望远镜的球差，需要建造很长的镜筒，这给加工和使用带来不便
B.
折射望远镜要求透镜的两面都被精密地加工，透镜内部也不能有气泡之类的杂质，使得加工大口径透镜非常困难
C.
折射望远镜的透镜需在边缘固定，重力作用下透镜变形严重，影响成像质量
D.
不同波长的光在透镜中的折射率不同，导致折射望远镜存在色差，且无法改正
查看完整题目与答案
【单选题】Blues was derived from a blend of field chantey and spiritual which is ___________.
A.
a form of rock 'n, roll singing popular among American teenagers
B.
a form of operatic singing originated from Southern European countries
C.
a form of country music singing
D.
a form of hymn singing prevalent in African-American Christian churches
查看完整题目与答案
【单选题】患者女性,65 岁。有肝硬化病史 5 年,因饮食不当出
A.
血、黑便 1 天入院，呕吐暗红色液体 3 次，量约 800ml, 解黑便 2 次,量约 500g。查体:体温 37. 8°C ,脉搏 120 次/ 分,呼吸 22 次/分，血压 85/60mmHg,神志萎靡，面色苍白,四肢湿冷,医嘱予以输血 800ml。该患者出血最可能的原因为（ ）
B.
胃溃疡
C.
十二指肠球部溃疡
D.
急性糜烂出血性胃炎
E.
食管胃底静脉曲张破裂
F.
胃癌
查看完整题目与答案
【单选题】下列关于显微镜和望远镜的说法中正确的是（　　）
A.
天文望远镜看见遥远的星体，是因为星体通过物镜成一放大的像
B.
1609年，伽利略发明了第一台显微镜
C.
显微镜可以用一个凸透镜和一个凹透镜组合而成
D.
显微镜和望远镜的目镜都相当于一个放大镜而工作
查看完整题目与答案
【单选题】Green plants combine ______ with water and carbon dioxide to make food.
A.
energy derived from light
B.
energy, derived it from light
C.
energy is derived from light
D.
from light, and energy derived
查看完整题目与答案
【单选题】Which of the following statements about jealousy is NOT true?
A.
Jealousy is derived from French, Latin and Greek.
B.
The connotation of jealousy is connected with the word 'boil'.
C.
Jealousy is common in human relationships.
D.
Jealousy is beneficial to human beings.
查看完整题目与答案
相关题目：
【单选题】The author suggests that the study is limited in that______.
A.
its sample is not derived from the entire population
B.
the subjects cannot represent different social strata
C.
it is simply based on videoing simulative activities
D.
it has failed to clearly explain the result of the study
查看完整题目与答案
【单选题】The lower-level classes （known as subclasses or derived classes） （ ） state and behavior from the higher-level class （known as a super class or base class）.
A.
request
B.
inherit
C.
invoke
D.
accept
查看完整题目与答案
【单选题】Why should anyone want to read _______ of books by great authors when the real pleasure comes from reading the originals ?
A.
digests
B.
insights
C.
themes
D.
leaflets
查看完整题目与答案
【单选题】下列说法正确的是（　　）
A.
所有望远镜都是由两个凸透镜组成的
B.
显微镜的物镜成缩小的实像
C.
望远镜是伽利略首先发明的
D.
显微镜的目镜焦距大，物镜焦距小
查看完整题目与答案
【多选题】伽利略使用的望远镜是折射式的，但20世纪建造的大型光学望远镜都不再采用单纯的折射式，这是因为
A.
为消除折射望远镜的球差，需要建造很长的镜筒，这给加工和使用带来不便
B.
折射望远镜要求透镜的两面都被精密地加工，透镜内部也不能有气泡之类的杂质，使得加工大口径透镜非常困难
C.
折射望远镜的透镜需在边缘固定，重力作用下透镜变形严重，影响成像质量
D.
不同波长的光在透镜中的折射率不同，导致折射望远镜存在色差，且无法改正
查看完整题目与答案
【单选题】Blues was derived from a blend of field chantey and spiritual which is ___________.
A.
a form of rock 'n, roll singing popular among American teenagers
B.
a form of operatic singing originated from Southern European countries
C.
a form of country music singing
D.
a form of hymn singing prevalent in African-American Christian churches
查看完整题目与答案
【单选题】患者女性,65 岁。有肝硬化病史 5 年,因饮食不当出
A.
血、黑便 1 天入院，呕吐暗红色液体 3 次，量约 800ml, 解黑便 2 次,量约 500g。查体:体温 37. 8°C ,脉搏 120 次/ 分,呼吸 22 次/分，血压 85/60mmHg,神志萎靡，面色苍白,四肢湿冷,医嘱予以输血 800ml。该患者出血最可能的原因为（ ）
B.
胃溃疡
C.
十二指肠球部溃疡
D.
急性糜烂出血性胃炎
E.
食管胃底静脉曲张破裂
F.
胃癌
查看完整题目与答案
【单选题】下列关于显微镜和望远镜的说法中正确的是（　　）
A.
天文望远镜看见遥远的星体，是因为星体通过物镜成一放大的像
B.
1609年，伽利略发明了第一台显微镜
C.
显微镜可以用一个凸透镜和一个凹透镜组合而成
D.
显微镜和望远镜的目镜都相当于一个放大镜而工作
查看完整题目与答案
【单选题】Green plants combine ______ with water and carbon dioxide to make food.
A.
energy derived from light
B.
energy, derived it from light
C.
energy is derived from light
D.
from light, and energy derived
查看完整题目与答案
【单选题】Which of the following statements about jealousy is NOT true?
A.
Jealousy is derived from French, Latin and Greek.
B.
The connotation of jealousy is connected with the word 'boil'.
C.
Jealousy is common in human relationships.
D.
Jealousy is beneficial to human beings.
查看完整题目与答案
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