用鞋带将敌双臂，两拇指顺着并在一起，用鞋带在（）上缠绕数圈打一死结即可。
参考答案：拇指
---- Each year __________ fishes are killed by the polluted water and many people are made sick by the polluted air .
----So we should do something to stop it .
A．millions of
B．million of
C．two millions of
D．two millions
要求入党的积极分子每季度至少要向党组织递交一次书面（），党支部至少每半年要对其进行一次考察.
