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【单选题】
柠檬酸钠的抗凝血机制是A.
去掉血浆中的纤维蛋白原去掉血浆中游离Ca2＋
B.
去掉血浆中游离Ca2＋
C.
破坏血浆中凝血酶原激活物增加了血浆中Na＋
D.
增加了血浆中Na＋
E.
激活了纤维蛋白溶解系统
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【多选题】党的十九大报告指出，领导十三亿多人的社会主义大国，我们党既要政治过硬，也要本领高强。要()。
A.
增强学习本领，增强政治领导本领
B.
增强改革创新本领，增强科学发展本领
C.
增强依法执政本领，增强群众T作本领
D.
增强狠抓落实本领，增强驾驭风险本领
【单选题】If there are a number of survivors in the water abandoning ship, they should _____.
A.
tie themselves to the unit so they won’t drift with the current
B.
form a small circular group to create a warmer pocket of water in the center of the circle
C.
send the strongest swimmer to show for assistance
D.
form a raft by lashing their life preservers together
【简答题】党的十九大报告指出，领导多人的社会主义大国，我们党既要政治过硬，也要____高强。 A本领 B能力
【多选题】党的十九大报告指出,领导十三亿多人的社会主义大国,我们党既要政治过硬,也要本领高强。要( )。
A.
增强学习本领，增强政治领导本领
B.
增强改革创新本领，增强科学发展本领
C.
增强依法执政本领，增强群众工作本领
D.
增强狠抓落实本领，增强驾驭风险本领
【单选题】If there are a number of survivors in the water after abandoning ship，they should（）.
A.
tie themselves to the unit so they won't drift with the current
B.
form a small circular group to create a warmer pocket of water in the center of the circle
C.
send the strongest swimmer to shore for assistance
D.
form a raft by lashing their life preservers together
【单选题】If a small circular current is placed in a uniform magnetic field, at which angle θ there will be maximum torque acting on the circular current?【图片】
A.
0
B.
π/4
C.
π/2
D.
π
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