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【单选题】
妊娠合并心脏病。心功能Ⅱ级的诊断依据是A.
能从事强体力劳动
B.
一般体力活动不受限制
C.
一般体力活动稍受限制
D.
体力活动显著受限制，或既往有心衰病史
E.
休息有心功能不全症状
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【单选题】Read the selection from the introduction [ paragraphs 1-3]. Still , this kind of study is one way that scientists inspire new kinds of thinking about the world . What does the word " inspire " mean ?
A.
stop
B.
cause
C.
avoid
D.
confuse
【单选题】Read the selection and the statements that follow. Then check the statement that you think gives the main idea most clearly. The earthworm has strong muscles under its skin and tiny bristles on its un...
A.
The earthworm moves slowly even though it is strong.
B.
The earthworm moves by squeezing and stretching its muscles.
C.
The earthworm has a very difficult and funny way of moving
D.
The bristles of an earthworm are used to catch the soil!
【单选题】Read the selection from the section "Goofy But Important." Mr. Barton's ideas might seem goofy. Yet he shows how scientists think about the world in new ways. What does the word "goofy" mean?
A.
silly
B.
serious
C.
excited
D.
dangerous
【单选题】Read the selection from the section "Thousands Of People Watch The Bearcam." The park says more than 20 bears fish the falls. Bears are not social animals. They like to be left alone. What are "social...
A.
animals that like to be with others
B.
animals that sleep for many months
C.
animals that can be very dangerous
D.
animals that grow to be very fat
【单选题】Read the selection below from the introduction [paragraphs 1-4]. Khaled El-Enany works for the Egyptian government. He said the discovery is good for Egypt. Egyptian leaders hope the discovery will im...
A.
take away
B.
end everything
C.
make better
D.
keep the same
【单选题】dessert [di5zE:t]
A.
v. 当仆人, 服务, 服役, 供职, 招待, 侍候, 供应, 适合 n. 发球
B.
n. 服务, 招待, 上菜, 伺候
C.
n. 餐后甜点
D.
n. 服务器
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