GRE考试

【单选题】It can be inferred from the passage that which of the following would occur if the chimneys formed by superbubbles failed to deliver their hot interior gas
Ⅰ. The surrounding galaxy would lack enough cool gas clouds to form new stars.
Ⅱ. Positive feedback in the star formation process would go uncheckeD、
Ⅲ. More and more O-type stars would come into existence from the static gas clouds.
A、Ⅰ only
B、Ⅱ only
C、Ⅰ and Ⅱ only
D、Ⅰ and Ⅲ only
E、Ⅰ, Ⅱ, and Ⅲ
网考网参考答案：A
网考网解析：
暂无解析 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>