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【单选题】
我国人民膳食蛋白质主要来源于（）A.
禽蛋类
B.
鱼肉类
C.
豆类
D.
粮谷类
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举一反三
【简答题】甲施工单位在承接乙建设单位发包的某工程后，将一分项工程分包给了刘某，刘某又雇佣了其他人员进行施工。施工过程中，一名雇员李某被钢筋戳伤右眼。根据有关法律规定，李某的损失应由（ ）承担。
【单选题】In what way can aspirin help heart surgery patients according to the doctors?
A.
It keeps blood vessels from being blocked.
B.
It speeds up their recovery after surgery.
C.
It increases the blood flow to the heart.
D.
It adjusts their blood pressure.
【简答题】阅读理解。 The fiddler crab (蟹) is a living clock. It indicates the time of day by the colour of its skin, which is dark by day and pale by night. The crab's changing colour follows a regular twenty-four h...
【单选题】In what way can aspirin help heart surgery patients according to the doctors?
A.
Prevent losing blood.
B.
Help them keep awake.
C.
Help people move blood.
D.
Prevent blood from thickening and blood vessels from being blocked.
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