促性腺激素种类很多,根据其分泌和产生的主要腺体和组织可分为和两大类。
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What is concessive clause?
A. The concessive clause, a type of subordinate clause, contrasts with the main clause.
B. The concessive clause is the sentence which must be introduced by “although”, “though”, or “while”.
C. The concessive clause is a sentence with an emphatic “do”.
D. The concessive clauseis a type of main clause.
熟人介绍、内部推荐也算是获取就业信息的途径之一。()
A. 对
B. 错
校园招聘会可分为专场招聘会和大中型招聘会。()
A. 对
B. 错
下列灌浆设备中,不属于手动灌浆设备的是?
A. 泵管挤压灌浆泵
B. 螺杆灌浆泵
C. 按压式灌浆枪
D. 气动灌浆器