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【简答题】
【 2019· 江苏】
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】若AX=3500H,CX=56B8H,当AND AX,CX指令执行后,AX=() A1400H B77F8H C0000H D0FFFFH
【单选题】Without a (an) ______ passport a tourist is forbidden to enter a country.
A.
operative
B.
effective
C.
valid
D.
efficient
【单选题】It is said that the agreement ______ between the two companies last month will become effective from May 1st.
A.
to sign
B.
signed
C.
to be signed
D.
signing
【单选题】The lecture is so attractive that the audience are listening_________.
A.
attentively
B.
anxiously
C.
effectively
D.
absolutely
【单选题】The main topic of the passage is ______.
A.
laughter and physical exercise have similar effects on the human body
B.
smile can produce the same effects as laughter
C.
pain can be reduced by laughter
D.
laughter is the best medicine
【单选题】However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
A.
troubled
B.
disturbed
C.
confused
D.
puzzled
【单选题】Advertising is often the most _______ method of promotion.
A.
efficient
B.
efficiency
C.
effect
D.
effective
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