The two main sources of stockholders equity are investments contributed by stockholders and net income retained in the business.()

The main infection source of epidemic type B enecphalitis virus is（)A．patientB．health

The main idea of the passage is that ______.A．the two kinds of words, popular and learned

The main idea of the second paragraph is that______.A．the first two phases of the wildlife

These low-budget animated films are the main source of______ of this independent studio.A．

According to the shop assistant, the main difference between the two types of cameras lies

The main sources of salt in our diet are______.A．home-made food and packaged foodB．restaur