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【单选题】
Intel 8051单片机的CPU是A.
4位
B.
8位
C.
16位
D.
准16位
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举一反三
【单选题】能减弱心肌收缩力并减慢心率的药物：A. 普萘洛尔B. 去甲肾上腺素C. 左旋多巴##
A.
能减弱心肌收缩力并减慢心率的药物： A. 普萘洛尔
B.
去甲肾上腺素
C.
左旋多巴
D.
酚妥拉明
E.
肾上腺素
【单选题】The shop that is _______to my home is often_______ at 9:30 p. m.
A.
close ; close
B.
closed ; closed
C.
close ; closed
D.
close ; closes
【简答题】听录音，标序号。 ( ) silk shop ( ) clothes shop ( ) apartment office ( ) tea shop ( ) hotel ( ) bicycle shop
【单选题】This shop sells apples, bananas and things like these. It's a___. A. food shop B. book shop C. fruit shop D. vegetable shop
A.
food shop
B.
book shop
C.
fruit shop
D.
vegetable shop
【简答题】最简单且有效的人工呼吸器是
【单选题】— The shop closes early on Saturday, right? — No. Usually it ________ 10 o’clock in the evening.
A.
closes until
B.
is closed until
C.
is open until
D.
opens until
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