In a conference call with state and local officials Wednesday afternoon, Mr. Obama __________confidence in the procedures(程序) already in place to prevent the spread of Ebola(埃博拉病毒)
234. He seems to have nothing to do. He always keeps his hands in his ______.
233. Many westerners have the habit of reading their plates every day. The underlined part probably means _____
232. The farmer is enjoying a pipe after a long period of hard work. The underlined part probably means _____.
231. The old man is used to sleeping without a ________in order to keep his back from bending.
230. The little boy likes plane models very much. He wants to be a _______and fly a plane into the sky when he grows up.