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【简答题】
为了使计时器控件Timer1每隔0.5s触发一次Timer事件，Timer1控件的Interva1属性设置为【 】。
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following foods has the highest content of protein?
A.
Lean pork meat
B.
Beef
C.
Soybean
D.
Egg
E.
Fresh milk
【单选题】Protein foods provide almost no carbohydrate to the U.S diet, with these two exceptions:
A.
chicken and turkey
B.
beef and pork
C.
fish and eggs
D.
nuts and legumes
【单选题】Protein foods _______________ meat, poultry, eggs, fish, diary products, etc.
A.
include
B.
exclude
C.
contain
D.
pertain
【单选题】下列影响氧解离曲线的因素,哪一项是不正确的( )
A.
PaO下降,SaO也下降
B.
PaCO升高,氧离曲线右移
C.
PH降低,氧离曲线左移
D.
红细胞内2.3~DPG降低,氧离曲线左移
E.
温度升高,氧离曲线右移
【单选题】The following foods are good sources of protein except for?
A.
meat
B.
dairy
C.
grain
D.
soybean
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